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Shareholders Equity and Capital Stock (Details 1) | 12 Months Ended
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Dec. 31, 2020 USD ($) $ / shares shares
Exercise price | $ / shares | $ 0.61
Number of options, Outstanding | shares | 11,910,424
Weighted- average remaining contractual life (years), Outstanding | 3 years
Aggregate intrinsic value | $ 2,277,068,000
Number of options, Exercisable | shares | 6,545,496
Weighted- average remaining contractual life (years), Exercisable | 2 years
Aggregate intrinsic value, exercisable | $ 983,815,000
Exercise price $0.49 |
Exercise price | $ / shares | $ 0.49
Number of options, Outstanding | shares | 2,950,180
Weighted- average remaining contractual life (years), Outstanding | 4 years 10 months 24 days
Aggregate intrinsic value | $ 914,556,000
Aggregate intrinsic value, exercisable | $ 0
Expiry | Nov. 13, 2025
Exercise price $0.62 |
Exercise price | $ / shares | $ 0.62
Number of options, Outstanding | shares | 2,646,861
Weighted- average remaining contractual life (years), Outstanding | 3 years 9 months 18 days
Aggregate intrinsic value | $ 476,435,000
Number of options, Exercisable | shares | 867,128
Weighted- average remaining contractual life (years), Exercisable | 3 years 9 months 18 days
Aggregate intrinsic value, exercisable | $ 156,083,000
Expiry | Nov. 05, 2024
Exercise price $0.71 One |
Exercise price | $ / shares | $ 0.71
Number of options, Outstanding | shares | 777,037
Weighted- average remaining contractual life (years), Outstanding | 3 years
Aggregate intrinsic value | $ 69,933,000
Number of options, Exercisable | shares | 515,660
Weighted- average remaining contractual life (years), Exercisable | 3 years
Aggregate intrinsic value, exercisable | $ 46,409,000
Expiry | Dec. 14, 2023
Exercise price $0.73 |
Exercise price | $ / shares | $ 0.73
Number of options, Outstanding | shares | 929,269
Weighted- average remaining contractual life (years), Outstanding | 2 years 7 months 6 days
Aggregate intrinsic value | $ 65,049,000
Number of options, Exercisable | shares | 622,298
Weighted- average remaining contractual life (years), Exercisable | 2 years 7 months 6 days
Aggregate intrinsic value, exercisable | $ 43,561,000
Expiry | Aug. 20, 2023
Exercise price $0.57 |
Exercise price | $ / shares | $ 0.57
Number of options, Outstanding | shares | 2,238,988
Weighted- average remaining contractual life (years), Outstanding | 1 year
Aggregate intrinsic value | $ 514,967,000
Number of options, Exercisable | shares | 2,238,988
Weighted- average remaining contractual life (years), Exercisable | 1 year
Aggregate intrinsic value, exercisable | $ 514,967,000
Expiry | Dec. 16, 2021
Exercise price $0.80 |
Exercise price | $ / shares | $ 0.80
Number of options, Outstanding | shares | 300,000
Weighted- average remaining contractual life (years), Outstanding | 1 year 2 months 12 days
Aggregate intrinsic value | $ 0
Number of options, Exercisable | shares | 300,000
Weighted- average remaining contractual life (years), Exercisable | 1 year 2 months 12 days
Aggregate intrinsic value, exercisable | $ 0
Expiry | Mar. 02, 2022
Exercise price $0.57 One |
Exercise price | $ / shares | $ 0.57
Number of options, Outstanding | shares | 200,000
Weighted- average remaining contractual life (years), Outstanding | 1 year 8 months 12 days
Aggregate intrinsic value | $ 46,000,000
Number of options, Exercisable | shares | 200,000
Weighted- average remaining contractual life (years), Exercisable | 1 year 8 months 12 days
Aggregate intrinsic value, exercisable | $ 46,000,000
Expiry | Sep. 07, 2022
Exercise price $0.71 |
Exercise price | $ / shares | $ 0.71
Number of options, Outstanding | shares | 1,668,089
Weighted- average remaining contractual life (years), Outstanding | 2 years
Aggregate intrinsic value | $ 150,128,000
Number of options, Exercisable | shares | 1,668,089
Weighted- average remaining contractual life (years), Exercisable | 2 years
Aggregate intrinsic value, exercisable | $ 150,128,000
Expiry | Dec. 15, 2022
Exercise price $0.60 |
Exercise price | $ / shares | $ 0.60
Number of options, Outstanding | shares | 200,000
Weighted- average remaining contractual life (years), Outstanding | 2 years 2 months 12 days
Aggregate intrinsic value | $ 40,000,000
Number of options, Exercisable | shares | 133,333
Weighted- average remaining contractual life (years), Exercisable | 2 years 2 months 12 days
Aggregate intrinsic value, exercisable | $ 26,667,000
Expiry | Mar. 30, 2023

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