| **Recent Accounting Literature (Details)**                                       | 6 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
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| Accounting Standards Update 2011-04 [Member]                                     | Â                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| **New Accounting Pronouncements or Change in Accounting Principle [Line Items]** | Â                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| FASB issued Accounting Standards Update                                          | ASU 2011-04                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| Description of change                                                            | Changes the wording used to describe many of the requirements in U.S. GAAP for measuring fair value and for disclosing information about fair value measurements to ensure consistency between U.S. GAAP and IFRS. ASU 2011-04 also expands the disclosures for fair value measurements that are estimated using significant unobservable Level 3 inputs. This new guidance is to be applied prospectively, and is effective for interim and annual periods beginning after December 15, 2011.  We do not expect the adoption of ASU 2011-04 to have a material impact on our financial position, results of operations or cash flows. |
| Accounting Standards Update 2011-05 [Member]                                     | Â                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| **New Accounting Pronouncements or Change in Accounting Principle [Line Items]** | Â                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| FASB issued Accounting Standards Update                                          | ASU 2011-05                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| Description of change                                                            | Eliminates the option to report other comprehensive income and its components in the statement of changes in equity. ASU 2011-05 requires that all non-owner changes in stockholders' equity be presented in either a single continuous statement of comprehensive income or in two separate but consecutive statements. This new guidance is to be applied retrospectively, and is effective for interim and annual periods beginning after December 15, 2011.  We do not expect the adoption of ASU 2011-05 to have a material impact on our financial position, results of operations or cash flows.                                |

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| - Definition
Disclosure related to a new accounting pronouncement or a change in accounting principle, including the nature and reason for the change and the effect of the change on prior periods and the current period.
+ References
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| - Definition
Describe the name or caption for the new accounting pronouncement or change in accounting principle.
+ References
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| - Definition
Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
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