Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Stockholder's Equity
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	25,000,000	25,000,000
Aggregate preferred stock liquidation preference	$ 0	$ 0
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	225,000,000	225,000,000
Common stock, shares issued	28,003,755	28,003,755
Common Stock, shares outstanding	28,003,755	28,003,755
10% Cumulative Convertible Preferred Stock
Stockholder's Equity
Preferred stock, shares authorized	4,000,000	4,000,000
Preferred stock, shares issued
Preferred stock, shares outstanding
Rate of cumulative convertible preferred stock	10.00%	10.00%