Quarterly report pursuant to Section 13 or 15(d)

Shareholders Equity and Capital Stock (Details 8)

v3.21.1
Shareholders Equity and Capital Stock (Details 8)
3 Months Ended 12 Months Ended
Mar. 31, 2021
$ / shares
Dec. 31, 2020
$ / shares
Dec. 31, 2019
$ / shares
Dec. 31, 2019
$ / shares
Dec. 31, 2018
$ / shares
Dec. 31, 2017
Dec. 31, 2016
$ / shares
Expected forfeiture rate   6.10% 6.20% 6.20%     6.20%
Expected volatility   63.20% 58.60% 58.60%     57.00%
Risk free rate   0.40% 1.60% 1.60%     1.00%
Expected dividend rate   0.00% 0.00% 0.00% 0.00% 0.00% 0.00%
Black-Scholes value (CAD$)   $ 0.30 $ 0.35       $ 0.31
Warrant Fair Value Assumptions [Member]              
Expected forfeiture rate 0.00% 0.00%     0.00%    
Expected life (years) 3 years 2 years     3 years    
Expected volatility 69.30% 71.20% 0.00% 0.00% 55.20%    
Risk free rate 0.20% 0.20% 0.00% 0.00% 2.20%    
Expected dividend rate 0.00% 0.00% 0.00% 0.00% 0.00%    
Black-Scholes value (CAD$) | (per share) $ 0.39 $ 0.26   $ 0.00 $ 0.34