Shareholders' Equity and Capital Stock - o/s options (Details) - $ / shares
|
3 Months Ended |
|
Mar. 31, 2016 |
Dec. 31, 2015 |
| Outstanding Stock Options |
|
|
| Exercise price |
$ 0.72
|
$ 0.88
|
| Number of options, Outstanding |
8,736,407
|
9,974,407
|
| Weighted- average remaining contractual life (years), Outstanding |
2 years 4 months 24 days
|
|
| Number of options, Exercisable |
6,702,980
|
|
| Weighted- average remaining contractual life (years), Exercisable |
1 year 8 months 12 days
|
|
| Stock Option Exercise Price Range One [Member] |
|
|
| Outstanding Stock Options |
|
|
| Exercise price |
$ 1.21
|
|
| Number of options, Outstanding |
545,000
|
|
| Weighted- average remaining contractual life (years), Outstanding |
3 months 18 days
|
|
| Number of options, Exercisable |
545,000
|
|
| Weighted- average remaining contractual life (years), Exercisable |
3 months 18 days
|
|
| Expiry |
Jul. 07, 2016
|
|
| Stock Option Exercise Price Range Two [Member] |
|
|
| Outstanding Stock Options |
|
|
| Exercise price |
$ 0.90
|
|
| Number of options, Outstanding |
615,238
|
|
| Weighted- average remaining contractual life (years), Outstanding |
4 months 24 days
|
|
| Number of options, Exercisable |
615,238
|
|
| Weighted- average remaining contractual life (years), Exercisable |
4 months 24 days
|
|
| Expiry |
Sep. 09, 2016
|
|
| Stock Option Exercise Price Range Three [Member] |
|
|
| Outstanding Stock Options |
|
|
| Exercise price |
$ 0.89
|
|
| Number of options, Outstanding |
200,000
|
|
| Weighted- average remaining contractual life (years), Outstanding |
7 months 6 days
|
|
| Number of options, Exercisable |
200,000
|
|
| Weighted- average remaining contractual life (years), Exercisable |
7 months 6 days
|
|
| Expiry |
Oct. 24, 2016
|
|
| Stock Option Exercise Price Range Four [Member] |
|
|
| Outstanding Stock Options |
|
|
| Exercise price |
$ 0.70
|
|
| Number of options, Outstanding |
897,769
|
|
| Weighted- average remaining contractual life (years), Outstanding |
9 months 18 days
|
|
| Number of options, Exercisable |
897,769
|
|
| Weighted- average remaining contractual life (years), Exercisable |
9 months 18 days
|
|
| Expiry |
Jan. 12, 2017
|
|
| Stock Option Exercise Price Range Five [Member] |
|
|
| Outstanding Stock Options |
|
|
| Exercise price |
$ 1.07
|
|
| Number of options, Outstanding |
200,000
|
|
| Weighted- average remaining contractual life (years), Outstanding |
9 months 18 days
|
|
| Number of options, Exercisable |
200,000
|
|
| Weighted- average remaining contractual life (years), Exercisable |
9 months 18 days
|
|
| Expiry |
Feb. 01, 2017
|
|
| Stock Option Exercise Price Range Six [Member] |
|
|
| Outstanding Stock Options |
|
|
| Exercise price |
$ 0.91
|
|
| Number of options, Outstanding |
100,000
|
|
| Weighted- average remaining contractual life (years), Outstanding |
10 months 24 days
|
|
| Number of options, Exercisable |
100,000
|
|
| Weighted- average remaining contractual life (years), Exercisable |
10 months 24 days
|
|
| Expiry |
Mar. 01, 2017
|
|
| Stock Option Exercise Price Range Seven [Member] |
|
|
| Outstanding Stock Options |
|
|
| Exercise price |
$ 0.59
|
|
| Number of options, Outstanding |
1,230,319
|
|
| Weighted- average remaining contractual life (years), Outstanding |
1 year 8 months 12 days
|
|
| Number of options, Exercisable |
1,230,319
|
|
| Weighted- average remaining contractual life (years), Exercisable |
1 year 8 months 12 days
|
|
| Expiry |
Dec. 07, 2017
|
|
| Stock Option Exercise Price Range Eight [Member] |
|
|
| Outstanding Stock Options |
|
|
| Exercise price |
$ 0.59
|
|
| Number of options, Outstanding |
554,569
|
|
| Weighted- average remaining contractual life (years), Outstanding |
2 years 1 month 6 days
|
|
| Number of options, Exercisable |
554,569
|
|
| Weighted- average remaining contractual life (years), Exercisable |
2 years 1 month 6 days
|
|
| Expiry |
Apr. 25, 2018
|
|
| Stock Option Exercise Price Range Nine [Member] |
|
|
| Outstanding Stock Options |
|
|
| Exercise price |
$ 0.96
|
|
| Number of options, Outstanding |
100,000
|
|
| Weighted- average remaining contractual life (years), Outstanding |
2 years 3 months 18 days
|
|
| Number of options, Exercisable |
100,000
|
|
| Weighted- average remaining contractual life (years), Exercisable |
2 years 3 months 18 days
|
|
| Expiry |
Aug. 01, 2018
|
|
| Stock Option Exercise Price Range Ten [Member] |
|
|
| Outstanding Stock Options |
|
|
| Exercise price |
$ 0.93
|
|
| Number of options, Outstanding |
904,164
|
|
| Weighted- average remaining contractual life (years), Outstanding |
2 years 8 months 12 days
|
|
| Number of options, Exercisable |
904,164
|
|
| Weighted- average remaining contractual life (years), Exercisable |
2 years 8 months 12 days
|
|
| Expiry |
Dec. 27, 2018
|
|
| Stock Option Exercise Price Range Eleven [Member] |
|
|
| Outstanding Stock Options |
|
|
| Exercise price |
$ 1.30
|
|
| Number of options, Outstanding |
100,000
|
|
| Weighted- average remaining contractual life (years), Outstanding |
3 years
|
|
| Number of options, Exercisable |
100,000
|
|
| Weighted- average remaining contractual life (years), Exercisable |
3 years
|
|
| Expiry |
Mar. 31, 2019
|
|
| Stock Option Exercise Price Range Twelve [Member] |
|
|
| Outstanding Stock Options |
|
|
| Exercise price |
$ 0.79
|
|
| Number of options, Outstanding |
958,194
|
|
| Weighted- average remaining contractual life (years), Outstanding |
3 years 8 months 12 days
|
|
| Number of options, Exercisable |
750,616
|
|
| Weighted- average remaining contractual life (years), Exercisable |
3 years 8 months 12 days
|
|
| Expiry |
Dec. 12, 2019
|
|
| Stock Option Exercise Price Range Thirteen [Member] |
|
|
| Outstanding Stock Options |
|
|
| Exercise price |
$ 0.88
|
|
| Number of options, Outstanding |
200,000
|
|
| Weighted- average remaining contractual life (years), Outstanding |
4 years 2 months 12 days
|
|
| Number of options, Exercisable |
108,000
|
|
| Weighted- average remaining contractual life (years), Exercisable |
4 years 2 months 12 days
|
|
| Expiry |
May 29, 2020
|
|
| Stock Option Exercise Price Range Fourteen [Member] |
|
|
| Outstanding Stock Options |
|
|
| Exercise price |
$ 0.66
|
|
| Number of options, Outstanding |
810,801
|
|
| Weighted- average remaining contractual life (years), Outstanding |
4 years 4 months 24 days
|
|
| Number of options, Exercisable |
263,135
|
|
| Weighted- average remaining contractual life (years), Exercisable |
4 years 4 months 24 days
|
|
| Expiry |
Aug. 17, 2020
|
|
| Stock Option Exercise Price Range Fifteen [Member] |
|
|
| Outstanding Stock Options |
|
|
| Exercise price |
$ 0.62
|
|
| Number of options, Outstanding |
1,320,353
|
|
| Weighted- average remaining contractual life (years), Outstanding |
4 years 8 months 12 days
|
|
| Number of options, Exercisable |
134,170
|
|
| Weighted- average remaining contractual life (years), Exercisable |
4 years 8 months 12 days
|
|
| Expiry |
Dec. 11, 2020
|
|