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Schedule of Assumptions for Fair Value of Option Grant (Details)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]    
Risk-free interest rate (Minimum) 2.00% 2.00%
Risk-free interest rate (Maximum) 3.00% 3.00%
Expected life (years) 6 years 9 months 18 days 3 years 2 months 12 days
Expected volatility 73.00% 83.00%
Expected dividend yield 0.00% 0.00%