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WARRANTS (Details 1) - Warrant [Member] - $ / shares
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Weighted average life (in years)   5 years
Expected dividend yield 0.00% 0.00%
Weighted average grant-date fair value per share of warrants granted (in dollars per share) $ 1.21 $ 10.34
Minimum [Member]    
Weighted average risk-free interest rate 0.12% 2.28%
Weighted average life (in years) 1 year 2 months 16 days  
Volatility 86.30% 87.50%
Maximum [Member]    
Weighted average risk-free interest rate 1.38% 1.75%
Weighted average life (in years) 5 years  
Volatility 104.60% 85.50%