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Stock Options (Details1) - Employee Stock Option [Member] - $ / shares
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Exercise price $ 2.53 $ 0.87
Expected life 5 years 4 days 5 years 18 days
Expected volatility 64.00% 38.00%
Dividend yield 0.00% 0.00%
Risk-free interest rate 1.69% 2.50%