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INCOME TAXES (Details 2) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Tax Credit Carryforward [Line Items]    
Income tax provision (benefit) at statutory rate $ (942) $ (1,417)
State income taxes (94) (165)
Research credits (205) (435)
Expiration of state NOL 497 649
Other 304 252
Change in valuation allowance 248 716
Net provision (benefit) $ (192) $ (400)