Stock-based Compensation (Details Textual) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Jun. 02, 2010
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized					1,630,000
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period			880,000
Share-based Compensation Arrangement by Share-based Payment Award, Shares Purchased for Award			750,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures			596,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number	520,000		520,000
Share-based Compensation	$ 3,000	$ 35,000	$ 62,000	$ 102,000
Stock Issued During Period, Shares, Issued for Cash			21,000
Restricted Stock Units (Rsus) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures			84,000