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STOCK OPTION PLANS AND AGREEMENTS (Details)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Risk-free interest rate, minimum 2.86% 1.50%
Risk-free interest rate, maximum 2.95% 2.00%
Expected dividend yield 0.00% 0.00%
Expected stock price volatility 100.00% 100.00%
Expected life of options 2 years 9 months  
Minimum    
Expected life of options   2 years 7 months 10 days
Maximum    
Expected life of options   3 years