Quarterly report pursuant to Section 13 or 15(d)

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

v3.10.0.1
Shareholders' Equity and Capital Stock - o/s options (Details) - USD ($)
$ / shares in Units, $ in Thousands
6 Months Ended
Jun. 30, 2018
Dec. 31, 2017
Outstanding Stock Options    
Exercise price $ 0.67 $ 0.70
Number of options, Outstanding 8,954,902 9,459,401
Weighted- average remaining contractual life (years), Outstanding 3 years  
Aggregate Intrinsic Value, Outstanding $ 414  
Number of options, Exercisable 6,487,254  
Weighted- average remaining contractual life (years), Exercisable 2 years 6 months  
Aggregate Intrinsic Value, Exercisable $ 375  
Exercise price $0.96    
Outstanding Stock Options    
Exercise price $ 0.94  
Number of options, Outstanding 100,000  
Weighted- average remaining contractual life (years), Outstanding 1 month 6 days  
Number of options, Exercisable 100,000  
Weighted- average remaining contractual life (years), Exercisable 1 month 6 days  
Expiry Aug. 01, 2018  
Exercise price $0.93    
Outstanding Stock Options    
Exercise price $ 0.91  
Number of options, Outstanding 702,761  
Weighted- average remaining contractual life (years), Outstanding 6 months  
Number of options, Exercisable 702,761  
Weighted- average remaining contractual life (years), Exercisable 6 months  
Expiry Dec. 27, 2018  
Exercise price $1.30    
Outstanding Stock Options    
Exercise price $ 1.28  
Number of options, Outstanding 100,000  
Weighted- average remaining contractual life (years), Outstanding 9 months 18 days  
Number of options, Exercisable 100,000  
Weighted- average remaining contractual life (years), Exercisable 9 months 18 days  
Expiry Mar. 31, 2019  
Exercise price $0.79    
Outstanding Stock Options    
Exercise price $ 0.77  
Number of options, Outstanding 742,162  
Weighted- average remaining contractual life (years), Outstanding 1 year 6 months  
Number of options, Exercisable 742,162  
Weighted- average remaining contractual life (years), Exercisable 1 year 6 months  
Expiry Dec. 12, 2019  
Exercise price $0.88    
Outstanding Stock Options    
Exercise price $ 0.87  
Number of options, Outstanding 200,000  
Weighted- average remaining contractual life (years), Outstanding 1 year 10 months 24 days  
Number of options, Exercisable 200,000  
Weighted- average remaining contractual life (years), Exercisable 1 year 10 months 24 days  
Expiry May 29, 2020  
Exercise price $0.67    
Outstanding Stock Options    
Exercise price $ 0.65  
Number of options, Outstanding 604,782  
Weighted- average remaining contractual life (years), Outstanding 2 years 1 month 6 days  
Aggregate Intrinsic Value, Outstanding $ 16  
Number of options, Exercisable 604,782  
Weighted- average remaining contractual life (years), Exercisable 2 years 1 month 6 days  
Aggregate Intrinsic Value, Exercisable $ 16  
Expiry Aug. 17, 2020  
Exercise price $0.62    
Outstanding Stock Options    
Exercise price $ 0.61  
Number of options, Outstanding 1,021,690  
Weighted- average remaining contractual life (years), Outstanding 2 years 6 months  
Aggregate Intrinsic Value, Outstanding $ 61  
Number of options, Exercisable 1,021,690  
Weighted- average remaining contractual life (years), Exercisable 2 years 6 months  
Aggregate Intrinsic Value, Exercisable $ 61  
Expiry Dec. 11, 2020  
Exercise price $0.57    
Outstanding Stock Options    
Exercise price $ 0.55  
Number of options, Outstanding 2,667,859  
Weighted- average remaining contractual life (years), Outstanding 3 years 6 months  
Aggregate Intrinsic Value, Outstanding $ 298  
Number of options, Exercisable 2,667,859  
Weighted- average remaining contractual life (years), Exercisable 3 years 6 months  
Aggregate Intrinsic Value, Exercisable $ 298  
Expiry Dec. 16, 2021  
Exercise price $0.79    
Outstanding Stock Options    
Exercise price $ 0.77  
Number of options, Outstanding 300,000  
Weighted- average remaining contractual life (years), Outstanding 3 years 8 months 12 days  
Number of options, Exercisable 228,000  
Weighted- average remaining contractual life (years), Exercisable 3 years 8 months 12 days  
Expiry Mar. 02, 2022  
Exercise price $0.57    
Outstanding Stock Options    
Exercise price $ 0.55  
Number of options, Outstanding 200,000  
Weighted- average remaining contractual life (years), Outstanding 4 years 2 months 12 days  
Aggregate Intrinsic Value, Outstanding $ 22  
Expiry Sep. 07, 2022  
Exercise Price $0.70    
Outstanding Stock Options    
Exercise price $ 0.68  
Number of options, Outstanding 2,115,648  
Weighted- average remaining contractual life (years), Outstanding 4 years 6 months  
Number of options, Exercisable 120,000  
Weighted- average remaining contractual life (years), Exercisable 4 years 6 months  
Expiry Dec. 15, 2022  
Exercise Price $0.60    
Outstanding Stock Options    
Exercise price $ 0.58  
Number of options, Outstanding 200,000  
Weighted- average remaining contractual life (years), Outstanding 4 years 8 months 12 days  
Aggregate Intrinsic Value, Outstanding $ 17  
Expiry Mar. 30, 2023