| **Summary of Significant Accounting Policies**            | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            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| **Summary of Significant Accounting Policies [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              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| Summary of Significant Accounting Policies                | 2. Summary of Significant Accounting PoliciesBasis of PresentationThe consolidated financial statements have been prepared on the basis of accounting principles generally accepted in the U.S. (GAAP). The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the financial statements and the accompanying notes. On an ongoing basis, the Company evaluates its estimates, including but not limited to those related to collectability of receivables, intangible assets and contingencies. As additional information becomes available or actual amounts become determinable, the recorded estimates are revised and reflected in the operating results. Actual results could differ from those estimates. Certain amounts have been reclassified in prior periods' financial statements to conform to the current year presentation. This includes the reclassification of (i) certain expenses for share-based compensation from research and development to general and administrative expenses, (ii) certain non-cash items from general and administrative expenses to intangible impairment charges and change in contingent consideration liability, and (iii) certain expenses from royalty expense to license fees – research and development, which reclassifications had no effect on total expenses as previously reported.PROGENICS PHARMACEUTICALS, INC.NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - continued(amounts in thousands, except per share amounts or as otherwise noted)ConsolidationThe consolidated financial statements include the accounts of Progenics and PSMA LLC, as of and for the years ended December 31, 2014, 2013 and 2012 and Molecular Insight from January 18, 2013, the date we acquired this subsidiary. Inter-company transactions have been eliminated in consolidation.Revenue RecognitionWe recognize revenue from all sources based on the provisions of the SEC's Staff Accounting Bulletin (SAB) No. 104 (SAB 104) and ASC 605 Revenue Recognition. Under ASC 605, delivered items are separate units of accounting, provided (i) the delivered items have value to a collaborator on a stand-alone basis, and (ii) if the arrangement includes a general right of return relative to the delivered item, delivery or performance of the undelivered items is considered probable and substantially in our control. A separate update to ASC 605 provides guidance on the criteria that should be met when determining whether the milestone method of revenue recognition is appropriate.If we are involved in a steering or other committee as part of a multiple-deliverable arrangement, we assess whether our involvement constitutes a performance obligation or a right to participate. For those committees that are deemed obligations, we will evaluate our participation along with other obligations in the arrangement and will attribute revenue to our participation through the period of our committee responsibilities. We recognize revenue for payments that are contingent upon performance solely by our collaborator immediately upon the achievement of the defined event if we have no related performance obligations. Reimbursement of costs is recognized as revenue provided the provisions of ASC 605 are met, the amounts are determinable and collection of the related receivable is reasonably assured.Amounts received prior to satisfying the above revenue recognition criteria are recorded as deferred revenue. Amounts not expected to be recognized within one year of the balance sheet date are classified as long-term. The estimate of the classification of deferred revenue as short- or long-term is based upon the period in which we expect to perform joint committee services.Royalty revenue is recognized in the period the sales occur, provided the royalty amounts are fixed or determinable, collection of the related receivable is reasonably assured and we have no remaining performance obligations under the arrangement providing for the royalty. Royalty loss is recognized based upon reported sales deductions in excess of gross sales resulting in net sales (losses) and is recognized in the period net sales (losses) occur. Royalty loss is classified in royalty income in the consolidated statements of operations and the related accrued royalty loss liability is classified in accounts payable and accrued expenses in the consolidated balance sheets.During the past three years, we also recognized revenue from sales of research reagents and during 2013 and 2012, from government research grants, awarded to us by the National Institutes of Health (NIH), which we used in proprietary research programs. NIH grant revenue is recognized as efforts are expended and as related program costs are incurred. We performed work under the NIH grants on a best-effort basis.During 2014, we have recognized as third quarter revenue a $40.0 million milestone receivable from Salix upon U.S. marketing approval for subcutaneous Relistor in non-cancer pain patients in September (paid pursuant to the Salix license in October) and a $1.0 million milestone payment from FUJIFILM RI Pharma in the first quarter of 2014.During the third quarter of 2014, Salix entered into an agreement with Lupin Limited for distribution of Relistor in Canada. We have not recognized any revenue in 2014, since terms of the Salix and Progenics negotiations were not fixed and determinable as of the end of the year.Under our 2013 license of certain research, development and commercialization rights to Onalta™, we received a $0.2 million in upfront payment and are eligible for future milestone and royalty payments. In consideration for the upfront payment, we have delivered relevant know-how (including patent rights), inventory and non-reimbursable services.In the fourth quarter of 2012, we out-licensed our C. difficile program to MedImmune, LLC for a $5.0 million upfront payment, and the right to receive potential future milestone and royalty payments. In consideration for the upfront payment, we have delivered relevant know-how (including patent rights) and non-reimbursable services.PROGENICS PHARMACEUTICALS, INC.NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - continued(amounts in thousands, except per share amounts or as otherwise noted)Under our 2012 agreement with CytoDyn Inc. for our PRO 140 program, we received $3.5 million payment and are eligible for future milestone and royalty payments. In consideration for the upfront payment, we have delivered relevant know-how (including patent rights), inventory and non-reimbursable services.Under our license agreement, Salix is responsible for further developing and commercializing Relistor worldwide. In consideration of the $60.0 million upfront payment from Salix, we have granted Salix an exclusive license of relevant know-how, patent rights and technology, assigned relevant third-party contracts, and served on joint committees provided for in the License Agreement through end of 2013.Research and Development ExpensesResearch and development expenses include costs directly attributable to the conduct of research and development programs, including the cost of salaries, payroll taxes, employee benefits, materials, supplies, maintenance of research equipment, costs related to research collaboration and licensing agreements, the purchase of in-process research and development, the cost of services provided by outside contractors, including services related to our clinical trials, the full cost of manufacturing drug for use in research, pre-clinical development and clinical trials. All costs associated with research and development are expensed as incurred.At each period end, we evaluate the accrued expense balance related to these activities based upon information received from the suppliers and estimated progress towards completion of the research or development objectives to ensure that the balance is reasonably stated. Such estimates are subject to change as additional information becomes available.Use of EstimatesSignificant estimates include useful lives of fixed assets, the periods over which certain revenues and expenses will be recognized, including collaboration revenue recognized from non-refundable up-front licensing payments and expense recognition of certain clinical trial costs which are included in research and development expenses, the amount of non-cash compensation costs related to share-based payments to employees and non-employees and the periods over which those costs are expensed, the likelihood of realization of deferred tax assets and the assumptions used in the valuations of in-process research and development and contingent consideration liability. PatentsAs a result of research and development efforts conducted by us, we have applied, or are applying, for a number of patents to protect proprietary inventions. All costs associated with patents are expensed as incurred.Net Income (Loss) Per ShareWe prepare earnings per share (EPS) data in accordance with ASC 260 Earnings Per Share. Basic net (loss) income per share amounts have been computed by dividing net income (loss) by the weighted-average number of common shares outstanding during the period. For 2014, we reported net income, and the computation of diluted earnings per share is based upon the weighted-average number of our common shares and dilutive effect, determined using the treasury stock method, of potential common shares outstanding including amounts of unrecognized compensation expense. In periods where shares to be issued upon the assumed conversion of the contingent consideration liability have an anti-dilutive effect on the calculation of diluted earnings per share, these shares are excluded from the calculation. For 2013 and 2012, we reported net losses and, therefore, potential common shares, amounts of unrecognized compensation expense and windfall tax benefits have been excluded from diluted net loss per share since they would be anti-dilutive. As of December 31, 2012, 28 shares of unvested restricted stock outstanding have non-forfeitable rights to dividends; all such shares were vested at the end of December 31, 2013. The allocation of 2013 and 2012 net losses to these participating securities pursuant to the two-class method is not material to both basic and diluted earnings per share.Concentrations of Credit RiskFinancial instruments which potentially subject Progenics to concentrations of risk consist principally of cash, cash equivalents, auction rate securities and receivables. We invest our excess cash in money market funds. We have established guidelines that relate to credit quality, diversification and maturity and that limit exposure to any one issue of securities. We hold no collateral for these financial instruments.PROGENICS PHARMACEUTICALS, INC.NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - continued(amounts in thousands, except per share amounts or as otherwise noted)Cash and Cash EquivalentsWe consider all highly liquid investments which have maturities of three months or less, when acquired, to be cash equivalents. The carrying amount reported in the balance sheet for cash and cash equivalents approximates its fair value. Cash and cash equivalents subject us to concentrations of credit risk. At December 31, 2014 and 2013, we have invested approximately $112,808 and $60,364, respectively, in cash equivalents in the form of money market funds with one major investment company and held approximately $6,494 and $5,496, respectively, in two commercial banks. Accounts ReceivableWe estimate the level of accounts receivable which ultimately will be uncollectable based on a review of specific receivable balances, industry experience and the current economic environment. We reserve for affected accounts receivable an allowance for doubtful accounts, which at December 31, 2014 and 2013 was $10 and $7, respectively. Auction Rate SecuritiesIn accordance with ASC 320 Investments – Debt and Equity Securities, investments are classified as available-for-sale. Available-for-sale securities are carried at fair value, with the unrealized gains and losses reported in comprehensive income (loss)\. The amortized cost of debt securities is adjusted for amortization of premiums and accretion of discounts to maturity. Such amortization is included in interest income or expense. Realized gains and losses and declines in value judged to be other-than-temporary, if any, on available-for-sale securities are included in other income or expense. In computing realized gains and losses, we compute the cost of its investments on a specific identification basis. Such cost includes the direct costs to acquire the securities, adjusted for the amortization of any discount or premium. The fair value of auction rate securities has been estimated based on a three-level hierarchy for fair value measurements. Interest and dividends on securities classified as available-for-sale are included in interest income (see Note 3).During the fourth quarter of 2014, all of the $2,208 auction rate securities remaining at December 31, 2013 have been redeemed at par. At December 31, 2013, our investment in auction rate securities (recorded as long-term assets in the Consolidated Balance Sheets) amounted to $2,208. Valuation of securities is subject to uncertainties that are difficult to predict, such as changes to credit ratings of the securities and/or the underlying assets supporting them, default rates applicable to the underlying assets, underlying collateral value, discount rates, counterparty risk, ongoing strength and quality of market credit and liquidity and general economic and market conditions. The valuation of the auction rate securities we held was based on an internal analysis of timing of expected future successful auctions, collateralization of underlying assets of the security and credit quality of the security. Due to the settlement of auction rate securities at par in the fourth quarter of 2014, the temporary impairment amount decreased $192. In-Process Research and Development and GoodwillThe fair values of in-process research and development (IPR&D) acquired in business combinations are capitalized. The Company utilizes the "income method," which applies a probability weighting that considers the risk of development and commercialization to the estimated future net cash flows that are derived from projected sales revenues and estimated costs. These projections are based on factors such as relevant market size, patent protection, historical pricing of similar products and expected industry trends. The estimated future net cash flows are then discounted to the present value using an appropriate discount rate. This analysis is performed for each IPR&D project independently. These assets are treated as indefinite-lived intangible assets until completion or abandonment of the projects, at which time the assets are amortized over the remaining useful life or written off, as appropriate. IPR&D intangible assets which are determined to have a decline in their fair value are adjusted downward and an impairment loss is recognized in the Consolidated Statements of Operations. These are tested at least annually or when a triggering event occurs that could indicate a potential impairment.Goodwill represents excess consideration in a business combination over the fair value of identifiable net assets acquired. Goodwill is not amortized, but is subject to impairment testing at least annually or when a triggering event occurs that could indicate a potential impairment. The Company determines whether goodwill may be impaired by comparing the fair value of the reporting unit (the Company has determined that it has only one reporting unit for this purpose, which includes Molecular Insight), calculated as the product of shares outstanding and the share price as of the end of a period, to its carrying value (for this purpose, the Company's total stockholders' equity). No goodwill impairment has been recognized as of December 31, 2014 and 2013.PROGENICS PHARMACEUTICALS, INC.NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - continued(amounts in thousands, except per share amounts or as otherwise noted)In connection with the 2013 acquisition of Molecular Insight, in process research and development and goodwill were initially measured at the acquisition date at estimated fair value and capitalized as an intangible asset, as follows:(i) 1404, an imaging agent in phase 2 development, at an estimated fair value of $23.2 million resulting from a probability adjusted discounted cash flow model which includes estimates of significant cash inflows beginning in 2017 and a 18% discount rate;(ii) Azedra, a small molecule candidate for the treatment of pheochromocytoma and paraganglioma in phase 2b development, and for neuroblastoma in phase 2a development, at an estimated fair value of $4.9 million resulting from a probability adjusted discounted cash flow model which includes estimates of significant cash inflows beginning in 2017 and a 15% discount rate;(iii) small molecule candidate MIP-1095, in preclinical development for the treatment of prostate cancer, at an estimated fair value of $2.7 million resulting from a probability adjusted discounted cash flow model which includes estimates of significant cash inflows beginning in 2021 and a 20% discount rate; and(iv) Onalta, a drug candidate in phase 2 development for the treatment of metastatic carcinoid and pancreatic neuroendocrine tumors, at an estimated fair value of $1.5 million resulting from a probability adjusted discounted cash flow model which includes estimates of significant cash inflows beginning in 2014 and a 15% discount rate.A third quarter 2014 review of our Onalta intangible asset resulted in a $560 impairment of the indefinite-lived balance and a $16 impairment of the finite-lived balance, with the corresponding impairment charges recorded in the Consolidated Statements of Operations.The following table summarizes the activity related to the finite-lived intangible asset:  Finite-lived intangible assets Balance at January 1, 2013 $- Reclassification from indefinite lived IPR&D  21 Amortization expense  (2)Balance at December 31, 2013  19 Amortization expense  (3)Impairment  (16)Balance at December 31, 2014 $-  The following table reflects, prior to the third quarter write-off, the components of the finite lived intangible assets as of December 31, 2013:  GrossAmount  AccumulatedAmortization  Net CarryingValueFinite lived intangible assets $21  $2  $19Total $21  $2  $19The weighted-average remaining life of the finite lived intangible assets was approximately five years at December 31, 2013.PROGENICS PHARMACEUTICALS, INC.NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - continued(amounts in thousands, except per share amounts or as otherwise noted)Amortization expense was calculated on a straight-line basis over the estimated useful life of the asset. Amortization expense for the year ended December 31, 2014 was $3 and the period from January 18, 2013 to December 31, 2013 was $2. The following table summarizes the activity related to the Company's goodwill and indefinite lived IPR&D:  Goodwill  IPR&D Balance at January 1, 2013 $-  $- Increase related to MIP acquisition  7,702   32,300 Reclassification to finite lived IPR&D  -   (21)Impairment  -   (919)Balance at December 31, 2013 $7,702  $31,360 Impairment  -   (2,660)Balance at December 31, 2014 $7,702  $28,700  Fair Value MeasurementsIn accordance with ASC 820 Fair Value Measurements and Disclosures, we use a three-level hierarchy for fair value measurements of certain assets and liabilities for financial reporting purposes that distinguishes between market participant assumptions developed from market data obtained from outside sources (observable inputs) and our own assumptions about market participant assumptions developed from the best information available to us in the circumstances (unobservable inputs). We assign hierarchy levels to assets constituting our available-for-sale portfolio and to our contingent consideration liability arising from the MIP acquisition based on our assessment of the transparency and reliability of the inputs used in the valuation. ASC 820 defines the three hierarchy levels as:·Level 1 - Valuations based on unadjusted quoted market prices in active markets for identical securities.  · Level 2 - Valuations based on observable inputs other than Level 1 prices, such as quoted prices for similar assets at the measurement date, quoted prices in markets that are not active or other inputs that are observable, either directly or indirectly.  ·Level 3 - Valuations based on unobservable inputs that are significant to the overall fair value measurement, which as noted above involve management judgment.Recurring Fair Value MeasurementsWe believe the carrying amounts of the Company's cash equivalents, accounts receivable, other current assets, other assets (restricted cash providing collateral for a letter of credit securing lease obligations) and accounts payable and accrued expenses approximated their fair values as of December 31, 2014 and 2013 and due to their short-term nature are considered Level 1 instruments.The fair value of the contingent consideration liability, consisting of future potential milestone payments related to the MIP acquisition was $17.2 million as of December 31, 2014, $15.7 million as of December 31, 2013 and $15.9 million as January 18, 2013, the acquisition date. The fair value of the contingent consideration liability is categorized as a Level 3 instrument, as displayed in Note 3. The Company records the contingent consideration liability at fair value with changes in estimated fair values recorded in the Consolidated Statements of Operations. During 2014, we reassessed the fair value of the contingent consideration and recorded a $1.5 million increase primarily due to higher probability of success for 1404, partially offset by a decrease due to lower projected revenues for MIP-1095. As of December 31, 2013, we reassessed the fair value of the contingent consideration and recorded a $0.2 million decrease, due to an increase in the discount period. The December 31, 2014 contingent consideration of $17.2 million results from probability adjusted discounted cash flows and Monte Carlo simulation models which include estimates of significant milestone payments to former MIP stockholders under the acquisition agreement ranging from 2018 to 2026 and risk adjusted discount rates of 10% and 3.5% for the milestone-based and net sales targets, respectively.PROGENICS PHARMACEUTICALS, INC.NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - continued(amounts in thousands, except per share amounts or as otherwise noted)Nonrecurring Fair Value MeasurementsThe Company's non-financial assets, such as intangible assets and property and equipment, are measured and recorded at fair value on the acquisition date, and if indicators of impairment exist, we assess recoverability by measuring the amount of any impairment by comparing the carrying value of the asset to its then-current estimated fair value (for intangible assets) or to market prices for similar assets (for property and equipment). If the carrying value is not recoverable we record an impairment charge in the Consolidated Statements of Operations. The company reassessed the value of the indefinite lived intangible assets and recorded a non-cash charge to earnings of $2,676 and $919 in 2014 and 2013, respectively. These impairments were the result of changes in the Level 3 assumptions as follows: the timing of beginning cash inflows from 2021 to 2024 and a decrease in discount rate from 20% to 13.5% for the MIP-1095 intangible asset, in addition to the third quarter 2014 and fourth quarter 2013 impairments of the Onalta indefinite-lived and finite-lived intangible assets, resulting from decreased probabilities of success. An increase in the current discount rate of 0.135% or decrease in the probability of success of 0.194% would result in an impairment of the remaining book value of the MIP-1095 intangible asset. In connection with the second quarter 2013 amendment of the Company's Tarrytown lease, we recognized impairment losses of $347 on leasehold improvements and machinery and equipment removed from service, which are included in Research and development expenses in our accompanying Consolidated Statements of Operations for the year ended December 31, 2013. No impairments occurred for the year ended December 31, 2012.Other current assets are comprised of prepaid expenses, interest and other receivables of $2,515 and $1,943 at December 31, 2014 and 2013, respectively, which are expected to be settled within one year. Restricted cash, included in other assets, of $157 at December 31, 2014 and 2013 consists of collateral for a letter of credit securing lease obligations. We believe the carrying value of these assets approximates fair value and are considered Level 1 assets.Fixed AssetsLeasehold improvements, furniture and fixtures, and equipment are stated at cost. Furniture, fixtures and equipment are depreciated on a straight-line basis over their estimated useful lives. Leasehold improvements are amortized on a straight-line basis over the life of the lease or of the improvement, whichever is shorter. Costs of construction of long-lived assets are capitalized but are not depreciated until the assets are placed in service. Expenditures for maintenance and repairs which do not materially extend the useful lives of the assets are charged to expense as incurred. The cost and accumulated depreciation of assets retired or sold are removed from the respective accounts and any gain or loss is recognized in operations. The estimated useful lives of fixed assets are as follows:Computer equipment3 yearsMachinery and equipment5-7 yearsFurniture and fixtures5 yearsLeasehold improvementsEarlier of life of improvement or lease PROGENICS PHARMACEUTICALS, INC.NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - continued(amounts in thousands, except per share amounts or as otherwise noted)Deferred Lease Liability and IncentiveOur lease agreements include fixed escalations of minimum annual lease payments and we recognize rental expense on a straight-line basis over the lease terms and record the difference between rent expense and current rental payments as deferred lease liability. Deferred lease incentive includes a construction allowance from our landlord which is amortized as a reduction to rental expense on a straight-line basis over the lease term. As of December 31, 2014 and 2013, the Consolidated Balance Sheets include the following:  2014  2013Other current liabilities:   Deferred lease incentive $115  $115Total other current liabilities $115  $115Other liabilities:       Deferred lease liability $336  $224Deferred lease incentive  575   690Total other liabilities $911  $914 Income TaxesWe account for income taxes in accordance with the provisions of ASC 740 Income Taxes, which requires that we recognize deferred tax liabilities and assets for the expected future tax consequences of events that have been included in the financial statements or tax returns. Under this method, deferred tax assets and liabilities are determined on the basis of the difference between the tax basis of assets and liabilities and their respective financial reporting amounts (temporary differences) at enacted tax rates in effect for the years in which the temporary differences are expected to reverse. A valuation allowance is established for deferred tax assets for which realization is uncertain.In accordance with ASC 718 Compensation – Stock Compensation and ASC 505 Equity, we have made a policy decision related to intra-period tax allocation, to account for utilization of windfall tax benefits based on provisions in the tax law that identify the sequence in which amounts of tax benefits are used for tax purposes (i.e., tax law ordering).Uncertain tax positions are accounted for in accordance with ASC 740 Income Taxes, which prescribes a comprehensive model for the manner in which a company should recognize, measure, present and disclose in its financial statements all material uncertain tax positions that we have taken or expect to take on a tax return. ASC 740 applies to income taxes and is not intended to be applied by analogy to other taxes, such as sales taxes, value-add taxes, or property taxes. We review our nexus in various tax jurisdictions and our tax positions related to all open tax years for events that could change the status of our ASC 740 liability, if any, or require an additional liability to be recorded. Such events may be the resolution of issues raised by a taxing authority, expiration of the statute of limitations for a prior open tax year or new transactions for which a tax position may be deemed to be uncertain. Those positions, for which management's assessment is that there is more than a 50 percent probability of sustaining the position upon challenge by a taxing authority based upon its technical merits, are subjected to the measurement criteria of ASC 740. We record the largest amount of tax benefit that is greater than 50 percent likely of being realized upon ultimate settlement with a taxing authority having full knowledge of all relevant information. Any ASC 740 liabilities for which we expect to make cash payments within the next twelve months are classified as "short term." In the event that we conclude that we are subject to interest and/or penalties arising from uncertain tax positions, we will record interest and penalties as a component of income taxes (see Note 12).PROGENICS PHARMACEUTICALS, INC.NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - continued(amounts in thousands, except per share amounts or as otherwise noted)Risks and UncertaintiesWe have to date relied principally on external funding, collaborations with Salix, Fuji and others, out-licensing and asset sale arrangements, royalty and product revenue to finance our operations. There can be no assurance that our research and development will be successfully completed, that any products developed will obtain necessary marketing approval by regulatory authorities or that any approved products will be commercially viable. In addition, we operate in an environment of rapid change in technology, and we are dependent upon satisfactory relationships with our partners and the continued services of our current employees, consultants and subcontractors. We are also dependent upon Salix and Fuji fulfilling their manufacturing obligations, either on their own or through third-party suppliers. For 2014, 2013 and 2012, the primary sources of our revenues were Salix, Ono, Fuji, asset out-licensing and disposition, and research grant revenues from the NIH (2013 and 2012). There can be no assurance that revenues from asset out-licensing and disposition, Salix and Fuji will continue. Substantially all of our accounts receivable at December 31, 2014 and 2013 were from the above-named sources.Comprehensive Income (Loss)Comprehensive income (loss) represents the change in net assets of a business enterprise during a period from transactions and other events and circumstances from non-owner sources. Our comprehensive income (loss) includes net income (loss) adjusted for the change in net unrealized gain or loss on auction rate securities. The disclosures required by ASC 220 Comprehensive Income for 2014, 2013 and 2012 have been included in the Consolidated Statements of Comprehensive Income (Loss). There was no income tax expense/benefit allocated to any component of Other Comprehensive Income (Loss) (see Note 12).Legal ProceedingsFrom time to time, we may be a party to legal proceedings in the course of our business. The outcome of any such proceedings, regardless of the merits, is inherently uncertain. The assessment of whether a loss is probable or reasonably possible, and whether the loss or a range of loss is estimable, often involves a series of complex judgments about future events. The Company records accruals for contingencies to the extent that the occurrence of the contingency is probable and the amount of liability is reasonably estimable.  If the reasonable estimate of liability is within a range of amounts and some amount within the range appears to be a better estimate than any other, then the Company records that amount as an accrual.  If no amount within the range is a reasonable estimate, then the Company records the lowest amount as an accrual. Loss contingencies that are assessed as remote are not reported in the financial statements, or in the notes to the consolidated financial statements.Impact of Recently Adopted Accounting StandardsIn May 2014, the FASB issued ASU No. 2014-09, which provides a single model for revenue arising from contracts with customers and supersedes current revenue recognition guidance. This ASU provides that an entity should recognize revenue to depict transfers of promised goods or services to customers in amounts reflecting the consideration to which the entity expects to be entitled in the transaction by: (1) identifying the contract; (2) identifying the contract's performance obligations; (3) determining the transaction price; (4) allocating the transaction price to the performance obligations; and (5) recognizing revenue when or as the entity satisfies the performance obligations. The ASU will be effective for annual reporting periods beginning after December 15, 2016, including interim periods. Early adoption is not permitted. The guidance permits companies to apply the requirements either retrospectively to all prior periods presented or in the year of adoption through a cumulative adjustment. We are evaluating the prospective impact of the pending adoption of this ASU on our consolidated financial statements.In August 2014, the FASB issued ASU No. 2014-15, Disclosure of Uncertainties about an Entity's Ability to Continue as a Going Concern. This ASU will explicitly require management to assess an entity's ability to continue as a going concern, and to provide related footnote disclosure in certain circumstances. The new standard will be effective in the first annual period ending after December 15, 2016, unless we adopt it earlier. The adoption of this ASU is not expected to have a material impact on our consolidated financial statements and consolidated notes to these statements. |

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The entire disclosure for the general note to the financial statements for the reporting entity which may include, descriptions of the basis of presentation, business description, significant accounting policies, consolidations, reclassifications, new pronouncements not yet adopted and changes in accounting principles.
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