CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Preferred stock, shares authorized	10,000,000	10,000,000
Common stock, shares authorized	60,000,000	60,000,000
Common stock, shares issued	26,295,001	26,233,001
Common stock, shares outstanding	26,295,001	26,233,001
Series A Preferred Stock
Preferred stock, shares issued	40,000	40,000
Preferred stock, shares outstanding	40,000	40,000
Liquidation preference (in dollars)	40,250	42,810
Series C Preferred Stock
Preferred stock, shares issued	21,004	21,004
Preferred stock, shares outstanding	21,004	21,004
Liquidation preference (in dollars)	21,004	21,004