Annual report pursuant to Section 13 and 15(d)

Temporary Equity and Stockholders' Deficiency - Schedule of Fair Value Assumptions of Stock Option (Details)

v3.21.1
Temporary Equity and Stockholders' Deficiency - Schedule of Fair Value Assumptions of Stock Option (Details)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Risk free interest rate, minimum 0.16% 1.84%
Risk free interest rate, maximum 0.39% 2.43%
Expected volatility 58.00%  
Expected dividends 0.00% 0.00%
Minimum [Member]    
Expected term (years) 3 years 7 months 6 days 3 years 7 months 6 days
Expected volatility   51.00%
Maximum [Member]    
Expected term (years) 5 years 5 years
Expected volatility   52.00%