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INCOME TAXES - Income tax reconciliation (Details) - USD ($)	12 Months Ended
	Feb. 28, 2023	Feb. 28, 2022
Income Tax Disclosure [Abstract]
Expected federal income tax	$ 165,882	$ 609,883
State tax, net of federal	37,204	37,894
Research and development tax credits	(127,329)	(101,573)
Permanent differences	78,252	(179,320)
Other		(5,253)
Income tax expense	$ 154,009	$ 361,631

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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