Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity and Capital Stock - Warrants expiry (Details)

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Shareholders' Equity and Capital Stock - Warrants expiry (Details) - $ / shares
 9 Months Ended
Sep. 30, 2015
Dec. 31, 2014
Class of Warrant or Right [Line Items]    
Exercise price $ 1.19 $ 1.20
Number of warrants 8,324,112 8,374,112
Remaining contractual life (years) 2 years 3 months 18 days  
Warrants Exercise Price Range One [Member]    
Class of Warrant or Right [Line Items]    
Exercise price $ 1.12  
Number of warrants 100,000  
Remaining contractual life (years) 1 month 6 days  
Expiry Nov. 01, 2015  
Warrants Exercise Price Range Two [Member]    
Class of Warrant or Right [Line Items]    
Exercise price $ 0.93  
Number of warrants 25,000  
Remaining contractual life (years) 4 months 24 days  
Expiry Mar. 05, 2016  
Warrants Exercise Price Range Three [Member]    
Class of Warrant or Right [Line Items]    
Exercise price $ 1.35  
Number of warrants 2,354,545  
Remaining contractual life (years) 1 year 2 months 12 days  
Expiry Dec. 19, 2016  
Warrants Exercise Price Range Four [Member]    
Class of Warrant or Right [Line Items]    
Exercise price $ 1.12  
Number of warrants 4,294,167  
Remaining contractual life (years) 2 years 8 months 12 days  
Expiry Jun. 24, 2018  
Warrants Exercise Price Range Five [Member]    
Class of Warrant or Right [Line Items]    
Exercise price $ 1.17  
Number of warrants 1,550,400  
Remaining contractual life (years) 2 years 10 months 24 days  
Expiry Aug. 27, 2018