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Recent Accounting Pronouncements
 3 Months Ended
Mar. 31, 2013
Recently Accounting Pronouncements [Abstract]  
Recent Accounting Pronouncements
4.
Recent Accounting Pronouncements

In February 2013, the FASB issued authoritative guidance related to reclassifications out of accumulated other comprehensive income ("OCI"). Under the amendments in this update, an entity is required to report, in one place, information about reclassifications out of accumulated OCI and to report changes in its accumulated OCI balances. For significant items reclassified out of accumulated OCI to net income in their entirety in the same reporting period, reporting is required about the effect of the reclassifications on the respective line items in the statement where net income is presented. For items that are not reclassified to net income in their entirety in the same reporting period, a cross reference to other disclosures currently required under U.S. GAAP is required in the notes to the consolidated financial statements. We adopted this revised guidance in the first quarter of 2013, and have reflected the new disclosures in our unaudited consolidated condensed statements of operations and comprehensive loss. The adoption of this guidance did not affect our financial position or results of operations.