Consolidated Balance Sheets (Parenthetical) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Consolidated Balance Sheets
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, liquidation value per share (in dollars per share)	$ 1,000	$ 1,000
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued	14,448	14,448
Preferred stock, shares outstanding	14,448	14,448
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	75,000,000	75,000,000
Common stock, shares issued	4,277,176	4,277,176
Common stock, shares outstanding	4,277,176	4,277,176
Common stock-warrant, shares outstanding	571,821	571,821