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

Note 20 - Income Taxes - Tax attributes and Temporary Differences Available to Reduce Future Years' Taxable Income (Details)

v3.19.2
Note 20 - Income Taxes - Tax attributes and Temporary Differences Available to Reduce Future Years' Taxable Income (Details)
$ in Thousands
Mar. 31, 2019
CAD ($)
Statement Line Items [Line Items]  
Research and development expenses, without time limitation $ 3,167
Country of domicile [member]  
Statement Line Items [Line Items]  
Tax losses carried forward 89,586
Research and development expenses, without time limitation 19,617
Other deductible temporary differences, without time limitation 30,875
Provincial [Member]  
Statement Line Items [Line Items]  
Tax losses carried forward 89,187
Research and development expenses, without time limitation 21,036
Other deductible temporary differences, without time limitation 32,294
2029 [Member] | Country of domicile [member]  
Statement Line Items [Line Items]  
Tax losses carried forward 714
2029 [Member] | Provincial [Member]  
Statement Line Items [Line Items]  
Tax losses carried forward 714
2030 [Member] | Country of domicile [member]  
Statement Line Items [Line Items]  
Tax losses carried forward 1,627
2030 [Member] | Provincial [Member]  
Statement Line Items [Line Items]  
Tax losses carried forward 1,620
2031 [Member] | Country of domicile [member]  
Statement Line Items [Line Items]  
Tax losses carried forward 2,071
2031 [Member] | Provincial [Member]  
Statement Line Items [Line Items]  
Tax losses carried forward 2,063
2032 [Member] | Country of domicile [member]  
Statement Line Items [Line Items]  
Tax losses carried forward 2,262
2032 [Member] | Provincial [Member]  
Statement Line Items [Line Items]  
Tax losses carried forward 2,241
2033 [Member] | Country of domicile [member]  
Statement Line Items [Line Items]  
Tax losses carried forward 1,854
2033 [Member] | Provincial [Member]  
Statement Line Items [Line Items]  
Tax losses carried forward 1,825
2034 [Member] | Country of domicile [member]  
Statement Line Items [Line Items]  
Tax losses carried forward 3,598
2034 [Member] | Provincial [Member]  
Statement Line Items [Line Items]  
Tax losses carried forward 3,598
2035 [Member] | Country of domicile [member]  
Statement Line Items [Line Items]  
Tax losses carried forward 4,595
2035 [Member] | Provincial [Member]  
Statement Line Items [Line Items]  
Tax losses carried forward 4,459
2036 [Member] | Country of domicile [member]  
Statement Line Items [Line Items]  
Tax losses carried forward 5,494
2036 [Member] | Provincial [Member]  
Statement Line Items [Line Items]  
Tax losses carried forward 5,494
2037 [Member] | Country of domicile [member]  
Statement Line Items [Line Items]  
Tax losses carried forward 8,584
2037 [Member] | Provincial [Member]  
Statement Line Items [Line Items]  
Tax losses carried forward 8,456
2038 [member] | Country of domicile [member]  
Statement Line Items [Line Items]  
Tax losses carried forward 17,340
2038 [member] | Provincial [Member]  
Statement Line Items [Line Items]  
Tax losses carried forward 17,270
2039 [member] | Country of domicile [member]  
Statement Line Items [Line Items]  
Tax losses carried forward 41,447
2039 [member] | Provincial [Member]  
Statement Line Items [Line Items]  
Tax losses carried forward $ 41,447