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

Note 11 - Derivative Warrant Liabilities - Assumptions (Details)

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Note 11 - Derivative Warrant Liabilities - Assumptions (Details)
12 Months Ended 13 Months Ended
Dec. 27, 2017
USD ($)
Feb. 21, 2017
CAD ($)
Mar. 31, 2018
CAD ($)
Mar. 31, 2018
USD ($)
Feb. 28, 2017
CAD ($)
Feb. 28, 2017
USD ($)
Mar. 31, 2017
CAD ($)
Mar. 31, 2017
USD ($)
Statement Line Items [Line Items]                
Exercise price $ 1.2625 $ 2.15            
Warrant liabilities issued December 27, 2017 [member]                
Statement Line Items [Line Items]                
Exercise price       $ 1.26    
Share price [1]       $ 1.02    
Dividend          
Risk-free interest     2.56% 2.56%
Estimated life (in years)        
Expected volatility     95.16% 95.16%
Warrant liabilities issued December 3, 2013 [member]                
Statement Line Items [Line Items]                
Exercise price       $ 1.50   $ 1.50   $ 1.50
Share price [1]       $ 1.02   $ 1.25   $ 1.36
Dividend          
Risk-free interest     2.19% 2.19% 1.24% 1.24% 1.22% 1.22%
Expected volatility     133.86% 133.86% 107.36% 107.36% 108.35% 108.35%
[1] In order to obtain one Common Share, 10 warrants must be exercised.