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STOCK-BASED COMPENSATION - FAIR VALUE ASSUMPTIONS (Details)
3 Months Ended
Mar. 31, 2017
$ / shares
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Option value (in dollars per share) $ 2.34
Risk-free rate (as a percent) 1.50%
Expected dividend yield (as a percent) 0.00%
Expected volatility (as a percent) 68.00%
Expected term (in years) 6 years