Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($)	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]
Balance at Feb. 28, 2021		$ 6,074	$ 7,971,712	$ 10,989,783
Issuance of common stock		7	34,643
Equity compensation, restricted stock units and stock options		38	111,469
Consolidated net income (loss)	$ 579,805			579,805
Balance at May. 31, 2021	19,693,531	$ 6,119	8,117,824	11,569,588
Balance (in shares) at Feb. 28, 2021		6,074,293
Issuance of common stock (in shares)		7,000
Equity compensation, restricted stock units and stock options (in shares)		37,702
Balance (in shares) at May. 31, 2021		6,118,995
Balance at Feb. 28, 2022	19,399,926	$ 6,186	8,806,930	10,586,810
Issuance of common stock		0	0
Equity compensation, restricted stock units and stock options		28	131,569
Consolidated net income (loss)	(114,941)			(114,941)
Balance at May. 31, 2022	$ 19,416,582	$ 6,214	$ 8,938,499	$ 10,471,869
Balance (in shares) at Feb. 28, 2022		6,186,356
Issuance of common stock (in shares)		0
Equity compensation, restricted stock units and stock options (in shares)		27,325
Balance (in shares) at May. 31, 2022		6,213,681