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

Note 12 - Derivative Warrant Liabilities - Reconciliation (Details)

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Note 12 - Derivative Warrant Liabilities - Reconciliation (Details) - CAD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Statement Line Items [Line Items]    
Balance – beginning of period $ 6,426  
Balance – end of period 16,263 $ 6,426
Warrant liabilities issued May 2018 [member]    
Statement Line Items [Line Items]    
Balance – beginning of period
Issued during period 4,272
Exercised during period (722)
Change in fair value of derivative warrant liabilities 4,696
Balance – end of period $ 8,246
Fair value per share issuable (in CAD per share) $ 0.81
Warrant liabilities issued December 27, 2017 [member]    
Statement Line Items [Line Items]    
Balance – beginning of period $ 6,405
Issued during period 5,873
Exercised during period
Change in fair value of derivative warrant liabilities 1,612 532
Balance – end of period $ 8,017 $ 6,405
Fair value per share issuable (in CAD per share) $ 0.82 $ 0.65
Warrant liabilities issued December 3, 2013 [member]    
Statement Line Items [Line Items]    
Balance – beginning of period $ 21 $ 209
Issued during period
Exercised during period
Change in fair value of derivative warrant liabilities (21) (188)
Balance – end of period $ 21
Fair value per share issuable (in CAD per share) $ 0.01