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

Note 21 - Financial Instruments - Currency Risk (Details)

v3.19.2
Note 21 - Financial Instruments - Currency Risk (Details)
12 Months Ended
Mar. 31, 2019
CAD ($)
Mar. 31, 2018
CAD ($)
Currency risk for USD [member]    
Statement Line Items [Line Items]    
Foreign exchange currency exposures $ (7,170,000) $ 3,132,000
Average exchange rate 1.3122 1.2834
Closing exchange rate 1.3349 1.29
Currency risk for USD [member] | Trade and other payables [member]    
Statement Line Items [Line Items]    
Foreign exchange currency exposures $ (13,251,000) $ (3,924,000)
Currency risk for USD [member] | Cash and cash equivalents [member]    
Statement Line Items [Line Items]    
Foreign exchange currency exposures 3,369,000 7,024,000
Currency risk for USD [member] | Marketable securities [member]    
Statement Line Items [Line Items]    
Foreign exchange currency exposures 2,696,000 26,000
Currency risk for USD [member] | Receivables [member]    
Statement Line Items [Line Items]    
Foreign exchange currency exposures 16,000 6,000
Currency risk for Euro [member]    
Statement Line Items [Line Items]    
Foreign exchange currency exposures $ (131,000) $ (627,000)
Average exchange rate 1.5192 1.5008
Closing exchange rate 1.4975 1.5898
Currency risk for Euro [member] | Trade and other payables [member]    
Statement Line Items [Line Items]    
Foreign exchange currency exposures $ (131,000) $ (627,000)
Currency risk for Euro [member] | Cash and cash equivalents [member]    
Statement Line Items [Line Items]    
Foreign exchange currency exposures
Currency risk for Euro [member] | Marketable securities [member]    
Statement Line Items [Line Items]    
Foreign exchange currency exposures
Currency risk for Euro [member] | Receivables [member]    
Statement Line Items [Line Items]    
Foreign exchange currency exposures
Currency risk [member]    
Statement Line Items [Line Items]    
Increase (decrease) in net loss $ 364 $ (88)