Shareholders' Equity and Capital Stock - o/s options (Details) - USD ($)
$ / shares in Units, $ in Thousands |
12 Months Ended |
|
|
|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
Dec. 31, 2012 |
| Outstanding Stock Options |
|
|
|
|
| Exercise price |
$ 0.88
|
$ 1.12
|
$ 1.19
|
$ 1.32
|
| Number of options, Outstanding |
9,974,407
|
8,468,614
|
9,273,659
|
8,511,722
|
| Weighted- average remaining contractual life (years), Outstanding |
2 years 4 months 24 days
|
|
|
|
| Aggregate Intrinsic Value, Outstanding |
$ 217
|
|
|
|
| Number of options, Exercisable |
7,484,229
|
|
|
|
| Weighted- average remaining contractual life (years), Exercisable |
1 year 8 months 12 days
|
|
|
|
| Aggregate Intrinsic Value, Exercisable |
$ 142
|
|
|
|
| Stock Option Exercise Price Range One [Member] |
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| Outstanding Stock Options |
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|
|
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| Exercise price |
$ 2.07
|
|
|
|
| Number of options, Outstanding |
1,172,648
|
|
|
|
| Weighted- average remaining contractual life (years), Outstanding |
1 month 6 days
|
|
|
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| Number of options, Exercisable |
1,172,648
|
|
|
|
| Weighted- average remaining contractual life (years), Exercisable |
1 month 6 days
|
|
|
|
| Expiry |
Jan. 28, 2016
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| Stock Option Exercise Price Range Two [Member] |
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| Outstanding Stock Options |
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|
|
|
| Exercise price |
$ 1.13
|
|
|
|
| Number of options, Outstanding |
545,000
|
|
|
|
| Weighted- average remaining contractual life (years), Outstanding |
6 months
|
|
|
|
| Number of options, Exercisable |
545,000
|
|
|
|
| Weighted- average remaining contractual life (years), Exercisable |
6 months
|
|
|
|
| Expiry |
Jul. 07, 2016
|
|
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| Stock Option Exercise Price Range Three [Member] |
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| Outstanding Stock Options |
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|
|
|
| Exercise price |
$ 0.85
|
|
|
|
| Number of options, Outstanding |
615,238
|
|
|
|
| Weighted- average remaining contractual life (years), Outstanding |
8 months 12 days
|
|
|
|
| Number of options, Exercisable |
615,238
|
|
|
|
| Weighted- average remaining contractual life (years), Exercisable |
8 months 12 days
|
|
|
|
| Expiry |
Sep. 09, 2016
|
|
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| Stock Option Exercise Price Range Four [Member] |
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| Outstanding Stock Options |
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|
|
|
| Exercise price |
$ 0.84
|
|
|
|
| Number of options, Outstanding |
200,000
|
|
|
|
| Weighted- average remaining contractual life (years), Outstanding |
9 months 18 days
|
|
|
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| Number of options, Exercisable |
200,000
|
|
|
|
| Weighted- average remaining contractual life (years), Exercisable |
9 months 18 days
|
|
|
|
| Expiry |
Oct. 24, 2016
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|
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| Stock Option Exercise Price Range Five [Member] |
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| Outstanding Stock Options |
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|
|
|
| Exercise price |
$ 0.66
|
|
|
|
| Number of options, Outstanding |
897,769
|
|
|
|
| Weighted- average remaining contractual life (years), Outstanding |
1 year
|
|
|
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| Number of options, Exercisable |
897,769
|
|
|
|
| Weighted- average remaining contractual life (years), Exercisable |
1 year
|
|
|
|
| Expiry |
Jan. 12, 2017
|
|
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| Stock Option Exercise Price Range Six [Member] |
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| Outstanding Stock Options |
|
|
|
|
| Exercise price |
$ 1.00
|
|
|
|
| Number of options, Outstanding |
200,000
|
|
|
|
| Weighted- average remaining contractual life (years), Outstanding |
1 year 1 month 6 days
|
|
|
|
| Number of options, Exercisable |
200,000
|
|
|
|
| Weighted- average remaining contractual life (years), Exercisable |
1 year 1 month 6 days
|
|
|
|
| Expiry |
Feb. 01, 2017
|
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| Stock Option Exercise Price Range Seven [Member] |
|
|
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| Outstanding Stock Options |
|
|
|
|
| Exercise price |
$ 0.85
|
|
|
|
| Number of options, Outstanding |
100,000
|
|
|
|
| Weighted- average remaining contractual life (years), Outstanding |
1 year 2 months 12 days
|
|
|
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| Number of options, Exercisable |
100,000
|
|
|
|
| Weighted- average remaining contractual life (years), Exercisable |
1 year 2 months 12 days
|
|
|
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| Expiry |
Mar. 01, 2017
|
|
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| Stock Option Exercise Price Range Eight [Member] |
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| Outstanding Stock Options |
|
|
|
|
| Exercise price |
$ 0.55
|
|
|
|
| Number of options, Outstanding |
1,243,265
|
|
|
|
| Weighted- average remaining contractual life (years), Outstanding |
1 year 10 months 24 days
|
|
|
|
| Aggregate Intrinsic Value, Outstanding |
$ 96
|
|
|
|
| Number of options, Exercisable |
1,243,265
|
|
|
|
| Weighted- average remaining contractual life (years), Exercisable |
1 year 10 months 24 days
|
|
|
|
| Aggregate Intrinsic Value, Exercisable |
$ 96
|
|
|
|
| Expiry |
Dec. 07, 2017
|
|
|
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| Stock Option Exercise Price Range Nine [Member] |
|
|
|
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| Outstanding Stock Options |
|
|
|
|
| Exercise price |
$ 0.56
|
|
|
|
| Number of options, Outstanding |
559,358
|
|
|
|
| Weighted- average remaining contractual life (years), Outstanding |
2 years 3 months 18 days
|
|
|
|
| Aggregate Intrinsic Value, Outstanding |
$ 38
|
|
|
|
| Number of options, Exercisable |
559,358
|
|
|
|
| Weighted- average remaining contractual life (years), Exercisable |
2 years 3 months 18 days
|
|
|
|
| Aggregate Intrinsic Value, Exercisable |
$ 38
|
|
|
|
| Expiry |
Apr. 25, 2018
|
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| Stock Option Exercise Price Range Ten [Member] |
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| Outstanding Stock Options |
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|
|
|
| Exercise price |
$ 0.90
|
|
|
|
| Number of options, Outstanding |
100,000
|
|
|
|
| Weighted- average remaining contractual life (years), Outstanding |
2 years 7 months 6 days
|
|
|
|
| Number of options, Exercisable |
100,000
|
|
|
|
| Weighted- average remaining contractual life (years), Exercisable |
2 years 7 months 6 days
|
|
|
|
| Expiry |
Aug. 01, 2018
|
|
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| Stock Option Exercise Price Range Eleven [Member] |
|
|
|
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| Outstanding Stock Options |
|
|
|
|
| Exercise price |
$ 0.87
|
|
|
|
| Number of options, Outstanding |
904,164
|
|
|
|
| Weighted- average remaining contractual life (years), Outstanding |
3 years
|
|
|
|
| Number of options, Exercisable |
904,164
|
|
|
|
| Weighted- average remaining contractual life (years), Exercisable |
3 years
|
|
|
|
| Expiry |
Dec. 27, 2018
|
|
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| Stock Option Exercise Price Range Twelve [Member] |
|
|
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| Outstanding Stock Options |
|
|
|
|
| Exercise price |
$ 1.21
|
|
|
|
| Number of options, Outstanding |
100,000
|
|
|
|
| Weighted- average remaining contractual life (years), Outstanding |
3 years 2 months 12 days
|
|
|
|
| Number of options, Exercisable |
100,000
|
|
|
|
| Weighted- average remaining contractual life (years), Exercisable |
3 years 2 months 12 days
|
|
|
|
| Expiry |
Mar. 31, 2019
|
|
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| Stock Option Exercise Price Range Thirteen [Member] |
|
|
|
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| Outstanding Stock Options |
|
|
|
|
| Exercise price |
$ 0.74
|
|
|
|
| Number of options, Outstanding |
970,971
|
|
|
|
| Weighted- average remaining contractual life (years), Outstanding |
3 years 10 months 24 days
|
|
|
|
| Number of options, Exercisable |
564,382
|
|
|
|
| Weighted- average remaining contractual life (years), Exercisable |
3 years 10 months 24 days
|
|
|
|
| Expiry |
Dec. 12, 2019
|
|
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| Stock Option Exercise Price Range Fourteen [Member] |
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|
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| Outstanding Stock Options |
|
|
|
|
| Exercise price |
$ 0.82
|
|
|
|
| Number of options, Outstanding |
200,000
|
|
|
|
| Weighted- average remaining contractual life (years), Outstanding |
4 years 4 months 24 days
|
|
|
|
| Number of options, Exercisable |
64,000
|
|
|
|
| Weighted- average remaining contractual life (years), Exercisable |
4 years 4 months 24 days
|
|
|
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| Expiry |
May 29, 2020
|
|
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| Share-Based Compensation Arrangement By Share-Based Payment Award, Options Outstanding Number 15 Member |
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|
|
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| Outstanding Stock Options |
|
|
|
|
| Exercise price |
$ 0.62
|
|
|
|
| Number of options, Outstanding |
824,296
|
|
|
|
| Weighted- average remaining contractual life (years), Outstanding |
4 years 7 months 6 days
|
|
|
|
| Aggregate Intrinsic Value, Outstanding |
$ 14
|
|
|
|
| Number of options, Exercisable |
84,235
|
|
|
|
| Weighted- average remaining contractual life (years), Exercisable |
4 years 7 months 6 days
|
|
|
|
| Aggregate Intrinsic Value, Exercisable |
$ 1
|
|
|
|
| Expiry |
Aug. 17, 2020
|
|
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| Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Outstanding, Number Sixteen member |
|
|
|
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| Outstanding Stock Options |
|
|
|
|
| Exercise price |
$ 0.58
|
|
|
|
| Number of options, Outstanding |
1,341,698
|
|
|
|
| Weighted- average remaining contractual life (years), Outstanding |
4 years 10 months 24 days
|
|
|
|
| Aggregate Intrinsic Value, Outstanding |
$ 69
|
|
|
|
| Number of options, Exercisable |
134,170
|
|
|
|
| Weighted- average remaining contractual life (years), Exercisable |
4 years 10 months 24 days
|
|
|
|
| Aggregate Intrinsic Value, Exercisable |
$ 7
|
|
|
|
| Expiry |
Dec. 11, 2020
|
|
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