CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, Authorized shares	5,000	5,000
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, Authorized shares	80,000	80,000
Common stock, Issued shares	11,982	11,952
Common stock, Outstanding shares	11,972	11,942
Common stock held in treasury, shares	10	10
Series 1
Preferred stock, shares issued	220
Preferred stock, shares outstanding	220
Preferred stock, Liquidation preference (in dollars per share)	$ 1,155
Series 2
Preferred stock, shares issued	460
Preferred stock, shares outstanding	460
Preferred stock, Liquidation preference (in dollars per share)	$ 1,213
Series 3
Preferred stock, shares issued	354
Preferred stock, shares outstanding	354
Preferred stock, Liquidation preference (in dollars per share)	$ 814