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Stock Options (Details1) - Employee Stock Option [Member] - $ / shares
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Exercise price $ 1.47  
Expected life 5 years 3 months 19 days 6 years 9 months 18 days
Expected volatility 76.00% 64.00%
Dividend yield 0.00% 0.00%
Minimum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Exercise price   $ 0.83
Risk-free interest rate 0.28% 1.43%
Maximum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Exercise price   $ 1.80
Risk-free interest rate 1.72% 2.55%