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

Note 13 - Capital and Other Components of Equity - Unsecured Convertible Debentures (Details)

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Note 13 - Capital and Other Components of Equity - Unsecured Convertible Debentures (Details) - CAD ($)
$ in Thousands
12 Months Ended
Mar. 27, 2018
Dec. 27, 2017
Aug. 15, 2017
Apr. 07, 2017
Mar. 31, 2018
Statement Line Items [Line Items]          
Number of shares (in shares) 33,605 22,783 23,885 9,496 89,769
Amount $ 40 $ 40 $ 40 $ 17 $ 137