Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Cash Equivalents and Short Term Investments - Schedule Of Short-term Investments (Details)

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Cash Equivalents and Short Term Investments - Schedule Of Short-term Investments (Details) - Held-to-maturity short-term investments - CAD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Disclosure of financial assets [line items]    
Effective Interest Rate % 0.00% 1.41%
Carrying Value    
Disclosure of financial assets [line items]    
Short-term investments $ 0 $ 2,088,800
Original Cost    
Disclosure of financial assets [line items]    
Short-term investments 0 2,088,800
Fair Value | Face Value    
Disclosure of financial assets [line items]    
Short-term investments 0 2,088,800
Fair Value | Fair Value    
Disclosure of financial assets [line items]    
Short-term investments $ 0 $ 2,088,800