Income (Loss) Per Common Share (Details Textual)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Income (Loss) per Common Share (Textual) [Abstract]
Preferred stock convertible into shares of common stock	64,000	64,000	64,000	64,000
Preferred stock convertible into common stock at rate of shares of common stock	100	100	100	100
Options to purchase common shares were included in the computation of diluted EPS	7,821	9,028	6,731
Convertible Preferred Stock [Member]
Income (Loss) per Common Share (Textual) [Abstract]
Preferred stock convertible into shares of common stock	64,000	64,000	64,000	64,000
Stock Options [Member]
Income (Loss) per Common Share (Textual) [Abstract]
Options to purchase common stock outstanding	65,508	58,617	65,508	58,617