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INCOME TAXES - Deferred tax asset and liability components (Details) - USD ($)	Feb. 28, 2023	Feb. 28, 2022
Deferred tax asset
Allowance for inventory	$ 76,000	$ 69,000
Allowance for accounts receivable	3,000	12,000
Capitalized R&D expenses – IRC Section 174	441,000
Accrued expenses and other	147,000	160,000
Deferred tax asset – Long Term	667,000	241,000
Deferred tax liability
Building and leasehold depreciation	(83,000)	(169,000)
Deferred tax liability – Long Term	$ (83,000)	$ (169,000)

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from inventory.

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