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STOCKHOLDERS' EQUITY (Details 2)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Stockholders' Equity Note [Abstract]    
Volatility 79.00% 81.00%
Expected term (years) 10 years 10 years
Risk-free interest rate 2.90% 2.16%
Dividend yield 0.00% 0.00%