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Income Taxes (Details 2) - USD ($)
$ in Thousands
Feb. 28, 2025
Feb. 29, 2024
Deferred tax assets    
Canada net operating loss carry forward $ 20,703 $ 22,765
U.S. net operating loss carry forward 7,620 7,869
Accrual and reserves 691 616
Intangibles 357 304
Property, plant and equipment 4,115 1,914
Research and development expenditures and credits 4,745 4,428
Basis in partnership 235 235
Other 1,828 859
Deferred tax assets 40,294 38,990
Deferred tax liabilities    
Intangibles (453) (409)
Deferred tax liabilities (453) (409)
Deferred tax assets, net 39,841 38,581
Valuation allowance (39,841) (38,581)
Deferred tax assets, net $ 0 $ 0