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WARRANTS (Details 1) - $ / shares
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Weighted average risk-free interest rate 2.41% 1.73%
Weighted average life (in years) 4 years 8 months 12 days 5 years
Volatility 131.70% 115.80%
Expected dividend yield 0.00% 0.00%
Warrant [Member]    
Weighted average life (in years) 4 years 9 months 18 days 4 years 9 months 18 days
Expected dividend yield 0.00% 0.00%
Weighted average grant-date fair value per share of warrants granted $ 15.80 $ 8.20
Warrant [Member] | Minimum [Member]    
Weighted average risk-free interest rate 2.41% 1.42%
Volatility 124.80% 98.50%
Warrant [Member] | Maximum [Member]    
Weighted average risk-free interest rate 2.94% 2.01%
Volatility 138.40% 128.70%