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

Note 24 - Capital Management - Cash and Cash Equivalents (Details) (Parentheticals)

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Note 24 - Capital Management - Cash and Cash Equivalents (Details) (Parentheticals)
$ in Thousands, $ in Thousands
Mar. 31, 2019
CAD ($)
Mar. 31, 2019
USD ($)
Mar. 31, 2018
CAD ($)
Mar. 31, 2018
USD ($)
Mar. 31, 2017
CAD ($)
Feb. 28, 2017
CAD ($)
Statement Line Items [Line Items]            
Cash equivalents $ 20,625   $ 6,640   $ 2,994 $ 2,989
Term deposits issued in US currency [member]            
Statement Line Items [Line Items]            
Cash equivalents 4,193 $ 3,250    
Commercial papers issued in US currency [member]            
Statement Line Items [Line Items]            
Cash equivalents 1,418 1,099    
Promissory notes issued in US currency [member]            
Statement Line Items [Line Items]            
Cash equivalents $ 1,029 $ 798