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Long-term debt (Details) - USD ($)	12 Months Ended
	Feb. 28, 2021	Feb. 29, 2020
Long-term debt	$ 1,001,640	$ 707,716
Due within one year		169,716
Due after one year	1,001,640	538,000
Unsecured Debt
Long-term debt	1,001,640
Monthly installments	$ 56,370
Interest rate	1.00%
Maturity	Apr. 30, 2022
Note payable, bank, collateralized by land and buildings, payable in monthly installments of principal and interest of $16,358 through January 2024. Interest rate 4.15%. 10 year term.
Long-term debt		$ 707,716

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