Fair Value (Tables)

12 Months Ended

Dec. 31, 2012

Fair Value Disclosures [Abstract]

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

The following table summarizes the changes in Level 3 liabilities measured at fair value on a recurring basis (in thousands):

	As of and for the Years Ended December 31,
	2012			2011
Beginning balance - stock option liability	$	502		$	811
Unrealized gain included in net loss (1)		(502	)		(309	)
Ending balance- stock option liability	$	–		$	502

⁽¹⁾ Included as a component of non-operating income (expense).