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. 2, 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. 7, 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 | |