Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2013

Financial instruments with significant Level 3 inputs

The following table summarizes the changes in the liability for the convertible debenture conversion features, which were valued using significant Level 3 inputs under the fair value measurement hierarchy of the FASB ASC (in thousands):



Beginning liability balance, December 31, 2010	$	2,093
Total unrealized gain included in net loss	(1,086		)
Liability settled on exercise of warrants	(1,007		)
Ending liability balance, December 31, 2011	$	—

Refer to Note 4—Convertible Debentures for the valuation model and unobservable data used to calculate fair value of the conversion features of the convertible debentures issued by the Company.

- Definition

Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability.

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