Note 22 - Income Taxes (Details Textual) $ in Thousands, $ in Thousands	12 Months Ended
Feb. 28, 2026 USD ($)	Feb. 28, 2025 USD ($)	Feb. 28, 2026 CAD ($)	Feb. 28, 2025 CAD ($)
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount	$ 0	$ 0
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	1,848	1,260
Income Tax Paid, after Refund Received	0	0
Income Tax Jurisdiction, Domestic Federal [Member] \| Internal Revenue Service (IRS) [Member]
Operating Loss Carryforwards	$ 32,689	36,285
Open Tax Year	2021 2022 2023 2024 2025 2026
Income Tax Jurisdiction, Foreign [Member] \| Canada Revenue Agency [Member]
Operating Loss Carryforwards	$ 84,610	80,560	$ 114,712	$ 109,168
Capitalized Research and Development Expense	$ 12,378	10,517	16,943	15,185
Open Tax Year	2021 2022 2023 2024 2025 2026
Income Tax Jurisdiction, Foreign [Member] \| Revenu Quebec [Member]
Operating Loss Carryforwards	$ 91,006	$ 86,816	$ 123,386	$ 117,651

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit).

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Amount, after refund, of cash paid to foreign, federal, state, and local jurisdictions as income tax.

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Tax year that remains open to examination under enacted tax laws, in YYYY format.

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Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

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