Shareholders Equity and Capital Stock (Details 2) - $ / shares |
12 Months Ended | ||||
|---|---|---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| Expected forfeiture rate | 6.10% | 6.20% | 5.60% | ||
| Expected life (years) | 3 years 10 months 24 days | 3 years 8 months 12 days | 3 years 8 months 12 days | 3 years 8 months 12 days | |
| Expected volatility | 63.20% | 58.60% | 56.80% | ||
| Risk free rate | 0.40% | 1.60% | 1.00% | ||
| Expected dividend rate | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| Black-Scholes value (CAD$) | $ 0.30 | $ 0.35 | $ 0.31 | ||
| 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 | 55.00% | 57.50% | |||
| Risk free rate | 2.10% | 1.60% | |||
| Black-Scholes value (CAD$) | $ 0.39 | $ 0.44 | |||