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EQUITY Capital Raise (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
0 Months Ended 12 Months Ended
Dec. 17, 2010
Mar. 09, 2010
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Equity [Abstract]          
Shares issued in March capital raise   2,231,818      
Equity Issuance, Per Share Amount $ 3.50 $ 5.50      
Sale of Stock, Consideration Received on Transaction $ 3,709 $ 11,467 $ 0 $ 0 $ 15,176
Shares issued in December capital raise, net of transaction costs -shares 1,150,000        
Proceeds from Issuance of Common Stock 4,027 12,275      
Placement agent fee 7.00%        
Investment Banking, Advisory, Brokerage, and Underwriting Fees and Commissions $ 282        
Warrants issued in capital raise 80,500