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

Note 12 - Unsecured Convertible Debentures - Liability and Equity Component Portions (Details)

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Note 12 - Unsecured Convertible Debentures - Liability and Equity Component Portions (Details) - CAD ($)
$ in Thousands
 1 Months Ended 12 Months Ended 13 Months Ended
Feb. 28, 2017
Mar. 31, 2017
Mar. 31, 2018
Feb. 28, 2017
Feb. 29, 2016
Mar. 31, 2017
Statement Line Items [Line Items]            
Effective interest   $ 14 $ 160 $ 3 $ 17
Liability portion of unsecured convertible debentures [member]            
Statement Line Items [Line Items]            
Balance $ 1,519 1,389 1,406      
Transaction costs and debt discount (134)          
Deferred income tax expense (note 18)          
Effective interest 8 31 366     39
Interest payable (4) (14) (160)     (18)
Balance 1,389 1,406 1,612 1,389   1,406
Equity component of unsecured convertible debentures [member]            
Statement Line Items [Line Items]            
Balance 481 309 309      
Transaction costs and debt discount (43)          
Deferred income tax expense (note 18) (129)          
Effective interest    
Interest payable    
Balance 309 309 309 309   309
Unsecured convertible debentures [member]            
Statement Line Items [Line Items]            
Balance 2,000 1,698 1,715      
Transaction costs and debt discount (177)          
Deferred income tax expense (note 18) (129)          
Effective interest 8 31 366     39
Interest payable (4) (14) (160)     (18)
Balance $ 1,698 $ 1,715 $ 1,921 $ 1,698   $ 1,715