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STOCK BASED COMPENSATION (Details 1)
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2019
Jun. 30, 2018
Expected option life (years) 6 years 6 months 6 years 6 months 6 years 6 months
Expected dividend yield   0.00% 0.00%
Risk-free interest rate     2.00%
Minimum [Member]      
Risk-free interest rate   2.40%  
Expected stock price volatility   137.00% 51.00%
Maximum [Member]      
Risk-free interest rate   2.90%  
Expected stock price volatility   145.00% 135.00%