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. 02, 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. 07, 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
|
|