Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity and Capital Stock - o/s options (Details)

v3.20.1
Shareholders' Equity and Capital Stock - o/s options (Details) - $ / shares
3 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Outstanding Stock Options    
Exercise price $ 0.64 $ 0.64
Number of options, Outstanding 11,052,694 11,076,583
Exercise price $0.80    
Outstanding Stock Options    
Exercise price $ 0.80  
Number of options, Outstanding 200,000  
Weighted- average remaining contractual life (years), Outstanding 2 months 12 days  
Number of options, Exercisable 200,000  
Weighted- average remaining contractual life (years), Exercisable 4 months 24 days  
Expiry May 29, 2020  
Exercise price $0.61    
Outstanding Stock Options    
Exercise price $ 0.61  
Number of options, Outstanding 516,902  
Weighted- average remaining contractual life (years), Outstanding 4 months 24 days  
Number of options, Exercisable 516,902  
Weighted- average remaining contractual life (years), Exercisable 7 months 6 days  
Expiry Aug. 17, 2020  
Exercise price $0.56    
Outstanding Stock Options    
Exercise price $ 0.56  
Number of options, Outstanding 897,508  
Weighted- average remaining contractual life (years), Outstanding 8 months 12 days  
Number of options, Exercisable 897,508  
Weighted- average remaining contractual life (years), Exercisable 10 months 24 days  
Expiry Dec. 11, 2020  
Exercise price $0.51    
Outstanding Stock Options    
Exercise price $ 0.51  
Number of options, Outstanding 2,337,434  
Weighted- average remaining contractual life (years), Outstanding 1 year 8 months 12 days  
Number of options, Exercisable 2,337,434  
Weighted- average remaining contractual life (years), Exercisable 2 years  
Expiry Dec. 16, 2021  
Exercise price $0.72    
Outstanding Stock Options    
Exercise price $ 0.72  
Number of options, Outstanding 300,000  
Weighted- average remaining contractual life (years), Outstanding 1 year 10 months 24 days  
Number of options, Exercisable 300,000  
Weighted- average remaining contractual life (years), Exercisable 2 years 2 months 12 days  
Expiry Mar. 02, 2022  
Exercise price $0.51    
Outstanding Stock Options    
Exercise price $ 0.51  
Number of options, Outstanding 200,000  
Weighted- average remaining contractual life (years), Outstanding 2 years 4 months 24 days  
Number of options, Exercisable 132,000  
Weighted- average remaining contractual life (years), Exercisable 2 years 8 months 12 days  
Expiry Sep. 07, 2022  
Exercise price $0.63    
Outstanding Stock Options    
Exercise price $ 0.63  
Number of options, Outstanding 1,769,411  
Weighted- average remaining contractual life (years), Outstanding 2 years 8 months 12 days  
Number of options, Exercisable 1,187,174  
Weighted- average remaining contractual life (years), Exercisable 3 years  
Expiry Dec. 15, 2022  
Exercise price $0.54    
Outstanding Stock Options    
Exercise price $ 0.54  
Number of options, Outstanding 200,000  
Weighted- average remaining contractual life (years), Outstanding 3 years  
Number of options, Exercisable 133,333  
Weighted- average remaining contractual life (years), Exercisable 3 years 2 months 12 days  
Expiry Mar. 30, 2023  
Exercise price $0.66    
Outstanding Stock Options    
Exercise price $ 0.66  
Number of options, Outstanding 976,259  
Weighted- average remaining contractual life (years), Outstanding 3 years 4 months 24 days  
Number of options, Exercisable 339,859  
Weighted- average remaining contractual life (years), Exercisable 3 years 7 months 6 days  
Expiry Aug. 20, 2023  
Exercise price $0.64    
Outstanding Stock Options    
Exercise price $ 0.64  
Number of options, Outstanding 826,683  
Weighted- average remaining contractual life (years), Outstanding 3 years 8 months 12 days  
Number of options, Exercisable 278,351  
Weighted- average remaining contractual life (years), Exercisable 4 years  
Expiry Dec. 14, 2023  
Exercise Price $0.56    
Outstanding Stock Options    
Exercise price $ 0.56  
Number of options, Outstanding 2,828,497  
Weighted- average remaining contractual life (years), Outstanding 4 years 7 months 6 days  
Expiry Nov. 05, 2024  
Exercise Price $0.64    
Outstanding Stock Options    
Exercise price $ 0.64  
Number of options, Outstanding 11,052,694  
Weighted- average remaining contractual life (years), Outstanding 2 years 9 months 18 days  
Number of options, Exercisable 6,322,561  
Weighted- average remaining contractual life (years), Exercisable 2 years 1 month 6 days