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
9 Months Ended
Sep. 30, 2018
Dec. 31, 2017
Outstanding Stock Options    
Exercise price $ 0.69 $ 0.70
Number of options, Outstanding 9,625,371 9,459,401
Weighted- average remaining contractual life (years), Outstanding 3 years  
Aggregate Intrinsic Value, Outstanding $ 1,146  
Number of options, Exercisable 6,288,801  
Weighted- average remaining contractual life (years), Exercisable 2 years 3 months 18 days  
Aggregate Intrinsic Value, Exercisable $ 813  
Exercise price $0.93    
Outstanding Stock Options    
Exercise price $ 0.93  
Number of options, Outstanding 702,761  
Weighted- average remaining contractual life (years), Outstanding 2 months 12 days  
Number of options, Exercisable 702,761  
Weighted- average remaining contractual life (years), Exercisable 2 months 12 days  
Expiry Dec. 27, 2018  
Exercise price $1.30    
Outstanding Stock Options    
Exercise price $ 1.30  
Number of options, Outstanding 100,000  
Weighted- average remaining contractual life (years), Outstanding 6 months  
Number of options, Exercisable 100,000  
Weighted- average remaining contractual life (years), Exercisable 6 months  
Expiry Mar. 31, 2019  
Exercise price $0.79    
Outstanding Stock Options    
Exercise price $ 0.79  
Number of options, Outstanding 742,162  
Weighted- average remaining contractual life (years), Outstanding 1 year 2 months 12 days  
Aggregate Intrinsic Value, Outstanding $ 13  
Number of options, Exercisable 742,162  
Weighted- average remaining contractual life (years), Exercisable 1 year 2 months 12 days  
Aggregate Intrinsic Value, Exercisable $ 13  
Expiry Dec. 12, 2019  
Exercise price $0.88    
Outstanding Stock Options    
Exercise price $ 0.88  
Number of options, Outstanding 200,000  
Weighted- average remaining contractual life (years), Outstanding 1 year 8 months 12 days  
Number of options, Exercisable 200,000  
Weighted- average remaining contractual life (years), Exercisable 1 year 8 months 12 days  
Expiry May 29, 2020  
Exercise price $0.66    
Outstanding Stock Options    
Exercise price $ 0.66  
Number of options, Outstanding 584,576  
Weighted- average remaining contractual life (years), Outstanding 1 year 10 months 24 days  
Aggregate Intrinsic Value, Outstanding $ 75  
Number of options, Exercisable 584,576  
Weighted- average remaining contractual life (years), Exercisable 1 year 10 months 24 days  
Aggregate Intrinsic Value, Exercisable $ 75  
Expiry Aug. 17, 2020  
Exercise price $0.62    
Outstanding Stock Options    
Exercise price $ 0.62  
Number of options, Outstanding 1,007,302  
Weighted- average remaining contractual life (years), Outstanding 2 years 2 months 12 days  
Aggregate Intrinsic Value, Outstanding $ 165  
Number of options, Exercisable 1,007,302  
Weighted- average remaining contractual life (years), Exercisable 2 years 2 months 12 days  
Aggregate Intrinsic Value, Exercisable $ 165  
Expiry Dec. 11, 2020  
Exercise price $0.56    
Outstanding Stock Options    
Exercise price $ 0.56  
Number of options, Outstanding 2,466,000  
Weighted- average remaining contractual life (years), Outstanding 3 years 2 months 12 days  
Aggregate Intrinsic Value, Outstanding $ 530  
Number of options, Exercisable 2,466,000  
Weighted- average remaining contractual life (years), Exercisable 3 years 2 months 12 days  
Aggregate Intrinsic Value, Exercisable $ 530  
Expiry Dec. 16, 2021  
Exercise price $0.79    
Outstanding Stock Options    
Exercise price $ 0.79  
Number of options, Outstanding 300,000  
Weighted- average remaining contractual life (years), Outstanding 3 years 4 months 24 days  
Aggregate Intrinsic Value, Outstanding $ 5  
Number of options, Exercisable 300,000  
Weighted- average remaining contractual life (years), Exercisable 3 years 4 months 24 days  
Aggregate Intrinsic Value, Exercisable $ 5  
Expiry Mar. 02, 2022  
Exercise price $0.56    
Outstanding Stock Options    
Exercise price $ 0.56  
Number of options, Outstanding 200,000  
Weighted- average remaining contractual life (years), Outstanding 3 years 10 months 24 days  
Aggregate Intrinsic Value, Outstanding $ 43  
Number of options, Exercisable 66,000  
Weighted- average remaining contractual life (years), Exercisable 3 years 10 months 24 days  
Aggregate Intrinsic Value, Exercisable $ 14  
Expiry Sep. 07, 2022  
Exercise price $0.70    
Outstanding Stock Options    
Exercise price $ 0.70  
Number of options, Outstanding 2,064,916  
Weighted- average remaining contractual life (years), Outstanding 4 years 2 months 12 days  
Aggregate Intrinsic Value, Outstanding $ 195  
Number of options, Exercisable 120,000  
Weighted- average remaining contractual life (years), Exercisable 4 years 2 months 12 days  
Aggregate Intrinsic Value, Exercisable $ 11  
Expiry Dec. 15, 2022  
Exercise Price $0.59    
Outstanding Stock Options    
Exercise price $ 0.59  
Number of options, Outstanding 200,000  
Weighted- average remaining contractual life (years), Outstanding 4 years 6 months  
Aggregate Intrinsic Value, Outstanding $ 38  
Expiry Mar. 30, 2023  
Exercise Price $0.72    
Outstanding Stock Options    
Exercise price $ 0.72  
Number of options, Outstanding 1,057,654  
Weighted- average remaining contractual life (years), Outstanding 4 years 10 months 24 days  
Aggregate Intrinsic Value, Outstanding $ 82  
Expiry Aug. 20, 2023