Shareholders Equity and Capital Stock (Details 5)

v3.20.4

Shareholders Equity and Capital Stock (Details 5) - $ / shares	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Grant date fair value (CAD$)	$ 0.63	$ 0.79
Expected forfeiture rate	4.20%	4.80%
Minimum [Member]
Grant date fair value (CAD$)			$ 0.91
Expected forfeiture rate			5.50%
Maximum [Member]
Grant date fair value (CAD$)			$ 0.93
Expected forfeiture rate			5.90%