| **Accounts Receivable (Tables)**                                               | 9 Months Ended                                                                                                                                                                                                                                                                                                                                                              |
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| **Accounts Receivable [Abstract]**                                             |                                                                                                                                                                                                                                                                                                                                                                        |
| Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] |   September 30, 2015  December 31, 2014 Royalties $1,204  $40 Collaborators  323   14 Other  2   65    1,529   119 Less, allowance for doubtful accounts  (10)  (10)Total $1,519  $109  |

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| - References
No definition available.
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| - Definition
Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3, 4 -Article 5
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