Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity and Capital Stock - o/s options (Details)

v3.5.0.2
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. 07, 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. 09, 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. 01, 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. 01, 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. 07, 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. 01, 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