Preferred Stock (Details Textual) (USD $)	6 Months Ended
	Jun. 30, 2012	Jun. 06, 2012	Dec. 31, 2011	Dec. 05, 2008 Common Stock	Dec. 05, 2008 Series A Preferred Stock [Member]
Preferred Stock (Textual) [Abstract]
Issuance of Preferred stock	7,225		7,225		7,225
Dividend declared on shares of common stock				$ 0.25
Preferred stock value	$ 7,147,000		$ 7,120,000		$ 7,725,000
Preferred Stock (Additional Textual) [Abstract]
Dividend rate	5.00%
Future dividend rate	9.00%
Liquidation preference	$ 1
Cumulative deferred dividend	661,000		466,000
Number of quarters for which payment has been deferred	6
Maximum offering range in restructured registered common stock offering		22,500,000
Redemption amount of preferred stock and warrant if company raises specified amount in restructured registered common stock offering		3,000,000
Discount on Redemption	$ 5,000,000