Shareholders' Equity and Capital Stock - o/s options (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | |
Mar. 31, 2019 | Dec. 31, 2018 |
Outstanding Stock Options | | |
Exercise price | $ 0.63 | $ 0.64 |
Number of options, Outstanding | 9,631,612 | 9,731,612 |
Weighted- average remaining contractual life (years), Outstanding | 3 years | |
Aggregate Intrinsic Value, Outstanding | $ 1,470 | |
Number of options, Exercisable | 6,113,421 | |
Weighted- average remaining contractual life (years), Exercisable | 2 years 3 months 18 days | |
Aggregate Intrinsic Value, Exercisable | $ 1,017 | |
Exercise price $0.75 | | |
Outstanding Stock Options | | |
Exercise price | $ 0.75 | |
Number of options, Outstanding | 724,274 | |
Weighted- average remaining contractual life (years), Outstanding | 8 months 12 days | |
Aggregate Intrinsic Value, Outstanding | $ 37 | |
Number of options, Exercisable | 724,274 | |
Weighted- average remaining contractual life (years), Exercisable | 8 months 12 days | |
Aggregate Intrinsic Value, Exercisable | $ 37 | |
Expiry | Dec. 12, 2019 | |
Exercise price $0.84 | | |
Outstanding Stock Options | | |
Exercise price | $ 0.84 | |
Number of options, Outstanding | 200,000 | |
Weighted- average remaining contractual life (years), Outstanding | 1 year 2 months 12 days | |
Number of options, Exercisable | 200,000 | |
Weighted- average remaining contractual life (years), Exercisable | 1 year 2 months 12 days | |
Expiry | May 29, 2020 | |
Exercise price $0.63 | | |
Outstanding Stock Options | | |
Exercise price | $ 0.63 | |
Number of options, Outstanding | 568,602 | |
Weighted- average remaining contractual life (years), Outstanding | 1 year 4 months 24 days | |
Aggregate Intrinsic Value, Outstanding | $ 88 | |
Number of options, Exercisable | 568,602 | |
Weighted- average remaining contractual life (years), Exercisable | 1 year 4 months 24 days | |
Aggregate Intrinsic Value, Exercisable | $ 88 | |
Expiry | Aug. 17, 2020 | |
Exercise price $0.59 | | |
Outstanding Stock Options | | |
Exercise price | $ 0.59 | |
Number of options, Outstanding | 984,878 | |
Weighted- average remaining contractual life (years), Outstanding | 1 year 8 months 12 days | |
Aggregate Intrinsic Value, Outstanding | $ 186 | |
Number of options, Exercisable | 984,878 | |
Weighted- average remaining contractual life (years), Exercisable | 1 year 8 months 12 days | |
Aggregate Intrinsic Value, Exercisable | $ 186 | |
Expiry | Dec. 11, 2020 | |
Exercise price $0.54 | | |
Outstanding Stock Options | | |
Exercise price | $ 0.54 | |
Number of options, Outstanding | 2,411,930 | |
Weighted- average remaining contractual life (years), Outstanding | 2 years 8 months 12 days | |
Aggregate Intrinsic Value, Outstanding | $ 560 | |
Number of options, Exercisable | 2,411,930 | |
Weighted- average remaining contractual life (years), Exercisable | 2 years 8 months 12 days | |
Aggregate Intrinsic Value, Exercisable | $ 560 | |
Expiry | Dec. 16, 2021 | |
Exercise price $0.75 | | |
Outstanding Stock Options | | |
Exercise price | $ 0.75 | |
Number of options, Outstanding | 300,000 | |
Weighted- average remaining contractual life (years), Outstanding | 2 years 10 months 24 days | |
Aggregate Intrinsic Value, Outstanding | $ 15 | |
Number of options, Exercisable | 300,000 | |
Weighted- average remaining contractual life (years), Exercisable | 2 years 10 months 24 days | |
Aggregate Intrinsic Value, Exercisable | $ 15 | |
Expiry | Mar. 2, 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 4 months 24 days | |
Aggregate Intrinsic Value, Outstanding | $ 46 | |
Number of options, Exercisable | 66,000 | |
Weighted- average remaining contractual life (years), Exercisable | 3 years 4 months 24 days | |
Aggregate Intrinsic Value, Exercisable | $ 15 | |
Expiry | Sep. 7, 2022 | |
Exercise price $0.66 | | |
Outstanding Stock Options | | |
Exercise price | $ 0.66 | |
Number of options, Outstanding | 2,064,916 | |
Weighted- average remaining contractual life (years), Outstanding | 3 years 8 months 12 days | |
Aggregate Intrinsic Value, Outstanding | $ 266 | |
Number of options, Exercisable | 774,608 | |
Weighted- average remaining contractual life (years), Exercisable | 3 years 8 months 12 days | |
Aggregate Intrinsic Value, Exercisable | $ 100 | |
Expiry | Dec. 15, 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 | 4 years | |
Aggregate Intrinsic Value, Outstanding | $ 43 | |
Number of options, Exercisable | 66,000 | |
Weighted- average remaining contractual life (years), Exercisable | 4 years | |
Aggregate Intrinsic Value, Exercisable | $ 14 | |
Expiry | Mar. 30, 2023 | |
Exercise Price $0.67 | | |
Outstanding Stock Options | | |
Exercise price | $ 0.67 | |
Number of options, Outstanding | 919,358 | |
Weighted- average remaining contractual life (years), Outstanding | 4 years 8 months 12 days | |
Aggregate Intrinsic Value, Outstanding | $ 111 | |
Number of options, Exercisable | 8,277 | |
Weighted- average remaining contractual life (years), Exercisable | 4 years 8 months 12 days | |
Aggregate Intrinsic Value, Exercisable | $ 1 | |
Expiry | Dec. 14, 2023 | |
Exercise Price $0.68 | | |
Outstanding Stock Options | | |
Exercise price | $ 0.68 | |
Number of options, Outstanding | 1,057,654 | |
Weighted- average remaining contractual life (years), Outstanding | 4 years 4 months 24 days | |
Aggregate Intrinsic Value, Outstanding | $ 118 | |
Number of options, Exercisable | 8,852 | |
Weighted- average remaining contractual life (years), Exercisable | 4 years 4 months 24 days | |
Aggregate Intrinsic Value, Exercisable | $ 1 | |
Expiry | Aug. 20, 2023 | |