Shareholders' Equity and Capital Stock - o/s options (Details) - $ / shares | 3 Months Ended | 6 Months Ended | |
Jun. 30, 2016 | Jun. 30, 2016 | Dec. 31, 2015 |
Outstanding Stock Options | | | |
Exercise price | $ 0.72 | $ 0.72 | $ 0.88 |
Number of options, Outstanding | 8,546,602 | 8,546,602 | 9,974,407 |
Weighted- average remaining contractual life (years), Outstanding | 2 years 2 months 12 days | | |
Number of options, Exercisable | 7,323,880 | 7,323,880 | |
Weighted- average remaining contractual life (years), Exercisable | | 1 year 10 months 24 days | |
Stock Option Exercise Price Range One [Member] | | | |
Outstanding Stock Options | | | |
Exercise price | $ 1.21 | $ 1.21 | |
Number of options, Outstanding | 545,000 | 545,000 | |
Weighted- average remaining contractual life (years), Outstanding | 0 years | | |
Number of options, Exercisable | 545,000 | 545,000 | |
Weighted- average remaining contractual life (years), Exercisable | | 0 years | |
Expiry | | Jul. 7, 2016 | |
Stock Option Exercise Price Range Two [Member] | | | |
Outstanding Stock Options | | | |
Exercise price | $ 0.90 | $ 0.90 | |
Number of options, Outstanding | 615,238 | 615,238 | |
Weighted- average remaining contractual life (years), Outstanding | 2 months 12 days | | |
Number of options, Exercisable | 615,238 | 615,238 | |
Weighted- average remaining contractual life (years), Exercisable | | 2 months 12 days | |
Expiry | | Sep. 9, 2016 | |
Stock Option Exercise Price Range Three [Member] | | | |
Outstanding Stock Options | | | |
Exercise price | $ 0.89 | $ 0.89 | |
Number of options, Outstanding | 200,000 | 200,000 | |
Weighted- average remaining contractual life (years), Outstanding | 3 months 18 days | | |
Number of options, Exercisable | 200,000 | 200,000 | |
Weighted- average remaining contractual life (years), Exercisable | | 3 months 18 days | |
Expiry | | Oct. 24, 2016 | |
Stock Option Exercise Price Range Four [Member] | | | |
Outstanding Stock Options | | | |
Exercise price | $ 0.70 | $ 0.70 | |
Number of options, Outstanding | 897,769 | 897,769 | |
Weighted- average remaining contractual life (years), Outstanding | 6 months | | |
Number of options, Exercisable | 897,769 | 897,769 | |
Weighted- average remaining contractual life (years), Exercisable | | 6 months | |
Expiry | | Jan. 12, 2017 | |
Stock Option Exercise Price Range Five [Member] | | | |
Outstanding Stock Options | | | |
Exercise price | $ 1.07 | $ 1.07 | |
Number of options, Outstanding | 200,000 | 200,000 | |
Weighted- average remaining contractual life (years), Outstanding | 7 months 6 days | | |
Number of options, Exercisable | 200,000 | 200,000 | |
Weighted- average remaining contractual life (years), Exercisable | | 7 months 6 days | |
Expiry | | Feb. 1, 2017 | |
Stock Option Exercise Price Range Six [Member] | | | |
Outstanding Stock Options | | | |
Exercise price | $ 0.91 | $ 0.91 | |
Number of options, Outstanding | 100,000 | 100,000 | |
Weighted- average remaining contractual life (years), Outstanding | 8 months 12 days | | |
Number of options, Exercisable | 100,000 | 100,000 | |
Weighted- average remaining contractual life (years), Exercisable | | 8 months 12 days | |
Expiry | | Mar. 1, 2017 | |
Stock Option Exercise Price Range Seven [Member] | | | |
Outstanding Stock Options | | | |
Exercise price | $ 0.59 | $ 0.59 | |
Number of options, Outstanding | 1,230,319 | 1,230,319 | |
Weighted- average remaining contractual life (years), Outstanding | 1 year 4 months 24 days | | |
Number of options, Exercisable | 1,230,319 | 1,230,319 | |
Weighted- average remaining contractual life (years), Exercisable | | 1 year 4 months 24 days | |
Expiry | | Dec. 7, 2017 | |
Stock Option Exercise Price Range Eight [Member] | | | |
Outstanding Stock Options | | | |
Exercise price | $ 0.59 | $ 0.59 | |
Number of options, Outstanding | 554,569 | 554,569 | |
Weighted- average remaining contractual life (years), Outstanding | 1 year 9 months 18 days | | |
Number of options, Exercisable | 554,569 | 554,569 | |
Weighted- average remaining contractual life (years), Exercisable | | 1 year 9 months 18 days | |
Expiry | | Apr. 25, 2018 | |
Stock Option Exercise Price Range Nine [Member] | | | |
Outstanding Stock Options | | | |
Exercise price | $ 0.96 | $ 0.96 | |
Number of options, Outstanding | 100,000 | 100,000 | |
Weighted- average remaining contractual life (years), Outstanding | 2 years 1 month 6 days | | |
Number of options, Exercisable | 100,000 | 100,000 | |
Weighted- average remaining contractual life (years), Exercisable | | 2 years 1 month 6 days | |
Expiry | | Aug. 1, 2018 | |
Stock Option Exercise Price Range Ten [Member] | | | |
Outstanding Stock Options | | | |
Exercise price | $ 0.93 | $ 0.93 | |
Number of options, Outstanding | 896,985 | 896,985 | |
Weighted- average remaining contractual life (years), Outstanding | 2 years 6 months | | |
Number of options, Exercisable | 896,985 | 896,985 | |
Weighted- average remaining contractual life (years), Exercisable | | 2 years 6 months | |
Expiry | | Dec. 27, 2018 | |
Stock Option Exercise Price Range Eleven [Member] | | | |
Outstanding Stock Options | | | |
Exercise price | $ 1.30 | $ 1.30 | |
Number of options, Outstanding | 100,000 | 100,000 | |
Weighted- average remaining contractual life (years), Outstanding | 2 years 8 months 12 days | | |
Number of options, Exercisable | 100,000 | 100,000 | |
Weighted- average remaining contractual life (years), Exercisable | | 2 years 8 months 12 days | |
Expiry | | Mar. 31, 2019 | |
Stock Option Exercise Price Range Twelve [Member] | | | |
Outstanding Stock Options | | | |
Exercise price | $ 0.79 | $ 0.79 | |
Number of options, Outstanding | 919,334 | 919,334 | |
Weighted- average remaining contractual life (years), Outstanding | 3 years 4 months 24 days | | |
Number of options, Exercisable | 919,334 | 919,334 | |
Weighted- average remaining contractual life (years), Exercisable | | 3 years 4 months 24 days | |
Expiry | | Dec. 12, 2019 | |
Stock Option Exercise Price Range Thirteen [Member] | | | |
Outstanding Stock Options | | | |
Exercise price | $ 0.88 | $ 0.88 | |
Number of options, Outstanding | 200,000 | 200,000 | |
Weighted- average remaining contractual life (years), Outstanding | 3 years 10 months 24 days | | |
Number of options, Exercisable | 108,000 | 108,000 | |
Weighted- average remaining contractual life (years), Exercisable | | 3 years 10 months 24 days | |
Expiry | | May 29, 2020 | |
Stock Option Exercise Price Range Fourteen [Member] | | | |
Outstanding Stock Options | | | |
Exercise price | $ 0.66 | $ 0.66 | |
Number of options, Outstanding | 761,173 | 761,173 | |
Weighted- average remaining contractual life (years), Outstanding | 4 years 1 month 6 days | | |
Number of options, Exercisable | 434,913 | 434,913 | |
Weighted- average remaining contractual life (years), Exercisable | | 4 years 1 month 6 days | |
Expiry | | Aug. 17, 2020 | |
Stock Option Exercise Price Range Fifteen [Member] | | | |
Outstanding Stock Options | | | |
Exercise price | $ 0.62 | $ 0.62 | |
Number of options, Outstanding | 1,226,215 | 1,226,215 | |
Weighted- average remaining contractual life (years), Outstanding | 4 years 4 months 24 days | | |
Number of options, Exercisable | 421,753 | 421,753 | |
Weighted- average remaining contractual life (years), Exercisable | | 4 years 4 months 24 days | |
Expiry | | Dec. 11, 2020 | |