Shareholders' Equity and Capital Stock - o/s options (Details) - USD ($)
$ / shares in Units, $ in Thousands |
6 Months Ended |
|
Jun. 30, 2015 |
Dec. 31, 2014 |
| Outstanding Stock Options |
|
|
| Exercise price |
$ 1.08
|
$ 1.12
|
| Number of options, Outstanding |
7,959,124
|
8,468,614
|
| Weighted- average remaining contractual life (years), Outstanding |
2 years 6 months
|
|
| Aggregate Intrinsic Value, Outstanding |
$ 283
|
|
| Number of options, Exercisable |
7,138,883
|
|
| Weighted- average remaining contractual life (years), Exercisable |
2 years 2 months 12 days
|
|
| Aggregate Intrinsic Value, Exercisable |
$ 283
|
|
| Stock Option Exercise Price Range One [Member] |
|
|
| Outstanding Stock Options |
|
|
| Exercise price |
$ 2.32
|
|
| Number of options, Outstanding |
1,220,276
|
|
| Weighted- average remaining contractual life (years), Outstanding |
7 months 6 days
|
|
| Number of options, Exercisable |
1,220,276
|
|
| Weighted- average remaining contractual life (years), Exercisable |
7 months 6 days
|
|
| Expiry |
Jan. 28, 2016
|
|
| Stock Option Exercise Price Range Two [Member] |
|
|
| Outstanding Stock Options |
|
|
| Exercise price |
$ 1.27
|
|
| Number of options, Outstanding |
545,000
|
|
| Weighted- average remaining contractual life (years), Outstanding |
1 year
|
|
| Number of options, Exercisable |
545,000
|
|
| Weighted- average remaining contractual life (years), Exercisable |
1 year
|
|
| Expiry |
Jul. 07, 2016
|
|
| Stock Option Exercise Price Range Three [Member] |
|
|
| Outstanding Stock Options |
|
|
| Exercise price |
$ 0.95
|
|
| Number of options, Outstanding |
627,117
|
|
| Weighted- average remaining contractual life (years), Outstanding |
1 year 2 months 12 days
|
|
| Number of options, Exercisable |
627,117
|
|
| Weighted- average remaining contractual life (years), Exercisable |
1 year 2 months 12 days
|
|
| Expiry |
Sep. 09, 2016
|
|
| Stock Option Exercise Price Range Four [Member] |
|
|
| Outstanding Stock Options |
|
|
| Exercise price |
$ 0.94
|
|
| Number of options, Outstanding |
200,000
|
|
| Weighted- average remaining contractual life (years), Outstanding |
1 year 3 months 18 days
|
|
| Number of options, Exercisable |
200,000
|
|
| Weighted- average remaining contractual life (years), Exercisable |
1 year 3 months 18 days
|
|
| Expiry |
Oct. 24, 2016
|
|
| Stock Option Exercise Price Range Five [Member] |
|
|
| Outstanding Stock Options |
|
|
| Exercise price |
$ 0.74
|
|
| Number of options, Outstanding |
914,135
|
|
| Weighted- average remaining contractual life (years), Outstanding |
1 year 6 months
|
|
| Aggregate Intrinsic Value, Outstanding |
$ 31
|
|
| Number of options, Exercisable |
914,135
|
|
| Weighted- average remaining contractual life (years), Exercisable |
1 year 6 months
|
|
| Aggregate Intrinsic Value, Exercisable |
$ 31
|
|
| Expiry |
Jan. 12, 2017
|
|
| Stock Option Exercise Price Range Six [Member] |
|
|
| Outstanding Stock Options |
|
|
| Exercise price |
$ 1.12
|
|
| Number of options, Outstanding |
200,000
|
|
| Weighted- average remaining contractual life (years), Outstanding |
1 year 7 months 6 days
|
|
| Number of options, Exercisable |
200,000
|
|
| Weighted- average remaining contractual life (years), Exercisable |
1 year 7 months 6 days
|
|
| Expiry |
Feb. 01, 2017
|
|
| Stock Option Exercise Price Range Seven [Member] |
|
|
| Outstanding Stock Options |
|
|
| Exercise price |
$ 0.95
|
|
| Number of options, Outstanding |
100,000
|
|
| Weighted- average remaining contractual life (years), Outstanding |
1 year 8 months 12 days
|
|
| Number of options, Exercisable |
100,000
|
|
| Weighted- average remaining contractual life (years), Exercisable |
1 year 8 months 12 days
|
|
| Expiry |
Mar. 01, 2017
|
|
| Stock Option Exercise Price Range Eight [Member] |
|
|
| Outstanding Stock Options |
|
|
| Exercise price |
$ 0.62
|
|
| Number of options, Outstanding |
1,266,496
|
|
| Weighted- average remaining contractual life (years), Outstanding |
2 years 4 months 24 days
|
|
| Aggregate Intrinsic Value, Outstanding |
$ 174
|
|
| Number of options, Exercisable |
1,266,496
|
|
| Weighted- average remaining contractual life (years), Exercisable |
2 years 4 months 24 days
|
|
| Aggregate Intrinsic Value, Exercisable |
$ 174
|
|
| Expiry |
Dec. 07, 2017
|
|
| Stock Option Exercise Price Range Nine [Member] |
|
|
| Outstanding Stock Options |
|
|
| Exercise price |
$ 0.62
|
|
| Number of options, Outstanding |
567,684
|
|
| Weighted- average remaining contractual life (years), Outstanding |
2 years 9 months 18 days
|
|
| Aggregate Intrinsic Value, Outstanding |
$ 78
|
|
| Number of options, Exercisable |
567,684
|
|
| Weighted- average remaining contractual life (years), Exercisable |
2 years 9 months 18 days
|
|
| Aggregate Intrinsic Value, Exercisable |
$ 78
|
|
| Expiry |
Apr. 25, 2018
|
|
| Stock Option Exercise Price Range Ten [Member] |
|
|
| Outstanding Stock Options |
|
|
| Exercise price |
$ 1.00
|
|
| Number of options, Outstanding |
100,000
|
|
| Weighted- average remaining contractual life (years), Outstanding |
3 years 1 month 6 days
|
|
| Number of options, Exercisable |
100,000
|
|
| Weighted- average remaining contractual life (years), Exercisable |
3 years 1 month 6 days
|
|
| Expiry |
Aug. 01, 2018
|
|
| Stock Option Exercise Price Range Eleven [Member] |
|
|
| Outstanding Stock Options |
|
|
| Exercise price |
$ 0.97
|
|
| Number of options, Outstanding |
925,060
|
|
| Weighted- average remaining contractual life (years), Outstanding |
3 years 6 months
|
|
| Number of options, Exercisable |
925,060
|
|
| Weighted- average remaining contractual life (years), Exercisable |
3 years 6 months
|
|
| Expiry |
Dec. 27, 2018
|
|
| Stock Option Exercise Price Range Twelve [Member] |
|
|
| Outstanding Stock Options |
|
|
| Exercise price |
$ 1.36
|
|
| Number of options, Outstanding |
100,000
|
|
| Weighted- average remaining contractual life (years), Outstanding |
3 years 9 months 18 days
|
|
| Number of options, Exercisable |
76,000
|
|
| Weighted- average remaining contractual life (years), Exercisable |
3 years 9 months 18 days
|
|
| Expiry |
Mar. 31, 2019
|
|
| Stock Option Exercise Price Range Thirteen [Member] |
|
|
| Outstanding Stock Options |
|
|
| Exercise price |
$ 0.83
|
|
| Number of options, Outstanding |
993,356
|
|
| Weighted- average remaining contractual life (years), Outstanding |
4 years 6 months
|
|
| Number of options, Exercisable |
377,115
|
|
| Weighted- average remaining contractual life (years), Exercisable |
4 years 6 months
|
|
| Expiry |
Dec. 12, 2019
|
|
| Stock Option Exercise Price Range Fourteen [Member] |
|
|
| Outstanding Stock Options |
|
|
| Exercise price |
$ 0.92
|
|
| Number of options, Outstanding |
200,000
|
|
| Weighted- average remaining contractual life (years), Outstanding |
4 years 10 months 24 days
|
|
| Number of options, Exercisable |
20,000
|
|
| Weighted- average remaining contractual life (years), Exercisable |
4 years 10 months 24 days
|
|
| Expiry |
May 29, 2020
|
|