CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Aug. 31, 2023	Aug. 31, 2022	Aug. 31, 2023	Aug. 31, 2022
Income Statement [Abstract]
Net Sales	$ 5,639,117	$ 3,763,329	$ 9,242,135	$ 7,814,864
Cost of Goods Sold	2,838,549	1,867,716	4,664,335	3,812,238
Gross Profit	2,800,568	1,895,613	4,577,800	4,002,626
Operating Expenses
Research and product development costs	789,261	506,490	1,445,699	1,023,123
Marketing and selling expenses	944,526	776,858	1,745,310	1,566,720
General and administrative costs	500,923	434,687	912,549	854,680
Total Operating Expenses	2,234,710	1,718,035	4,103,558	3,444,523
Operating Income	565,858	177,578	474,242	558,103
Interest and Dividend Income	124,293	18,507	230,283	25,922
Net unrealized gain/(loss) on marketable securities	(6,803)	(19,172)	10,855	(31,025)
Income Before Income Taxes	683,348	176,913	715,380	553,000
Income Tax Expense	142,075	14,790	120,701	85,241
Net Income	$ 541,273	$ 162,123	$ 594,679	$ 467,759
Basic Earnings Per Share	$ 0.03	$ 0.01	$ 0.04	$ 0.03
Diluted Earnings Per Share	$ 0.03	$ 0.01	$ 0.04	$ 0.03
Weighted Average Shares - Basic	15,743,069	15,732,550	15,742,571	15,730,862
Weighted Average Shares - Diluted	15,773,665	15,775,156	15,775,032	15,770,544