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UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, authorized 100,000 100,000
Liquidation preference shares $ 2,302  
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, issued 6,134,506 4,699,956
Common stock, outstanding 6,134,506 4,699,956
Series A Convertible Preferred Stock [Member]    
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, authorized 50,000 50,000