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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Statement of Financial Position [Abstract]    
Intangible assets, net of accumulated amortization $ 344 $ 264
Series B Preferred stock, par value $ .001 $ 0.001
Series B Preferred stock, authorized 7,235 7,235
Series B Preferred stock, shares issued 1,398 1,665
Series B Preferred stock, shares outstanding 1,398 1,665
Aggregate Liquidation Preference $ 4,194 $ 4,995
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 40,000 40,000
Common stock, shares issued 19,619 20,650
Common stock, shares outstanding 19,619 20,650