Annual report pursuant to Section 13 and 15(d)

Shareholders Equity and Capital Stock (Details 2)

v3.22.0.1
Shareholders Equity and Capital Stock (Details 2) - $ / shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Expected forfeiture rate 6.10% 6.10% 6.20%    
Expected life (years) 3 years 10 months 24 days 3 years 10 months 24 days 3 years 10 months 24 days   3 years 8 months 12 days
Expected volatility 69.50% 63.20% 58.60%    
Risk free rate 0.70% 0.40% 1.60%    
Expected dividend rate 0.00% 0.00% 0.00% 0.00% 0.00%
Black-Scholes value (CAD$) $ 0.74 $ 0.30 $ 0.35    
Minimum [Member]          
Expected forfeiture rate       5.80% 5.30%
Expected life (years)       3 years 8 months 12 days  
Expected volatility       53.80% 56.00%
Risk free rate       1.90% 1.00%
Black-Scholes value (CAD$)       $ 0.33 $ 0.32
Maximum [Member]          
Expected forfeiture rate       6.00% 6.00%
Expected life (years)       3 years 9 months 18 days  
Expected volatility       53.80% 57.50%
Risk free rate       2.10% 1.60%
Black-Scholes value (CAD$)       $ 0.39 $ 0.44