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Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Statement of Financial Position [Abstract]    
Allowance for accounts receivable $ 0 $ 490
Liquidation preference 5,495 $ 5,302
Loans payable net of discount $ 909  
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 200,000 200,000
Common stock, shares issued 64,224 46,218
Common stock, shares outstanding 64,224 46,218