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

Note 19 - Income Taxes - Tax attributes and Temporary Differences Available to Reduce Future Years' Taxable Income (Details)

v3.8.0.1
Note 19 - Income Taxes - Tax attributes and Temporary Differences Available to Reduce Future Years' Taxable Income (Details)
Mar. 31, 2018
CAD ($)
Statement Line Items [Line Items]  
Research and development expenses, without time limitation $ 2,859,000
Country of domicile [member]  
Statement Line Items [Line Items]  
Tax losses carried forward 47,954,000
Research and development expenses, without time limitation 18,002,000
Other deductible temporary differences, without time limitation 5,224,000
Provincial [Member]  
Statement Line Items [Line Items]  
Tax losses carried forward 47,625,000
Research and development expenses, without time limitation 19,362,000
Other deductible temporary differences, without time limitation 5,224,000
2029 [Member] | Country of domicile [member]  
Statement Line Items [Line Items]  
Tax losses carried forward 714,000
2029 [Member] | Provincial [Member]  
Statement Line Items [Line Items]  
Tax losses carried forward 714,000
2030 [Member] | Country of domicile [member]  
Statement Line Items [Line Items]  
Tax losses carried forward 1,627,000
2030 [Member] | Provincial [Member]  
Statement Line Items [Line Items]  
Tax losses carried forward 1,620,000
2031 [Member] | Country of domicile [member]  
Statement Line Items [Line Items]  
Tax losses carried forward 2,071,000
2031 [Member] | Provincial [Member]  
Statement Line Items [Line Items]  
Tax losses carried forward 2,063,000
2032 [Member] | Country of domicile [member]  
Statement Line Items [Line Items]  
Tax losses carried forward 2,262,000
2032 [Member] | Provincial [Member]  
Statement Line Items [Line Items]  
Tax losses carried forward 2,241,000
2033 [Member] | Country of domicile [member]  
Statement Line Items [Line Items]  
Tax losses carried forward 1,854,000
2033 [Member] | Provincial [Member]  
Statement Line Items [Line Items]  
Tax losses carried forward 1,825,000
2034 [Member] | Country of domicile [member]  
Statement Line Items [Line Items]  
Tax losses carried forward 3,598,000
2034 [Member] | Provincial [Member]  
Statement Line Items [Line Items]  
Tax losses carried forward 3,598,000
2035 [Member] | Country of domicile [member]  
Statement Line Items [Line Items]  
Tax losses carried forward 4,595,000
2035 [Member] | Provincial [Member]  
Statement Line Items [Line Items]  
Tax losses carried forward 4,459,000
2036 [Member] | Country of domicile [member]  
Statement Line Items [Line Items]  
Tax losses carried forward 5,494,000
2036 [Member] | Provincial [Member]  
Statement Line Items [Line Items]  
Tax losses carried forward 5,494,000
2037 [Member] | Country of domicile [member]  
Statement Line Items [Line Items]  
Tax losses carried forward 8,584,000
2037 [Member] | Provincial [Member]  
Statement Line Items [Line Items]  
Tax losses carried forward 8,456,000
2038 [member] | Country of domicile [member]  
Statement Line Items [Line Items]  
Tax losses carried forward 17,155
2038 [member] | Provincial [Member]  
Statement Line Items [Line Items]  
Tax losses carried forward $ 17,155