Stock-based Compensation (Details Textual) (USD $)	3 Months Ended		6 Months Ended				1 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013 Non Employee Directors [Member]	Jun. 30, 2013 Restricted Stock Units (Rsus) [Member]	Jun. 30, 2010 Incentive Compensation Plan [Member]	Jun. 30, 2010 Incentive Compensation Plan [Member] Maximum [Member]	Jun. 30, 2010 Incentive Compensation Plan [Member] Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized								1,630,000	750,000
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period							880,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures						115,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross					608,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number					579,000
Stock based compensation expense	$ 20,000	$ 27,000	$ 57,000	$ 59,000
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period	18,000		18,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	0		0