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Income Taxes - Components of deferred Tax Assets and Deferred Tax Liabilities (Detail) - USD ($)
$ in Thousands
Jun. 30, 2022
Jun. 30, 2021
Deferred tax assets:    
Non-capital losses carried forward $ 25,541 $ 20,148
Stock-based compensation 635 155
Capital losses carried forward 18 18
Financing costs 326 326
Bonus - compensation 85  
Scientific research and development 803 761
Scientific research and development – Investment Tax Credits (“ITC”) 690 665
Deferred tax assets 28,098 22,073
Deferred tax liabilities:    
Scientific research and development – ITC (114) (110)
Gross future tax assets 27,984 21,963
Valuation allowance $ (27,984) $ (21,963)