Fair Value (Tables)

3 Months Ended

Mar. 31, 2013

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 during the three months ended March 31, 2012 (in thousands):

Beginning Balance - Stock Option Liability	$	502
Unrealized gain included in net loss (1)		(155	)
Ending Balance- Stock Option Liability	$	347

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