CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Aug. 31, 2024	Aug. 31, 2023	Aug. 31, 2024	Aug. 31, 2023
Income Statement [Abstract]
Net Sales	$ 5,161,782	$ 5,639,117	$ 10,192,820	$ 9,242,135
Cost of Goods Sold	2,645,685	2,838,549	5,222,236	4,664,335
Gross Profit	2,516,097	2,800,568	4,970,584	4,577,800
Operating Expenses
Research and product development costs	695,873	789,261	1,427,303	1,445,699
Marketing and selling expenses	988,418	944,526	1,885,608	1,745,310
General and administrative costs	545,816	500,923	1,133,387	912,549
Total Operating Expenses	2,230,107	2,234,710	4,446,298	4,103,558
Operating Income	285,990	565,858	524,286	474,242
Interest and Dividend Income	85,076	124,293	227,730	230,283
Net unrealized gain/(loss) on marketable securities	43,580	(6,803)	53,941	10,855
Income Before Income Taxes	414,646	683,348	805,957	715,380
Income Tax Expense	73,961	142,075	134,435	120,701
Net Income	$ 340,685	$ 541,273	$ 671,522	$ 594,679
Basic Earnings Per Share	$ 0.02	$ 0.03	$ 0.04	$ 0.04
Diluted Earnings Per Share	$ 0.02	$ 0.03	$ 0.04	$ 0.04
Weighted Average Shares - Basic	15,750,910	15,743,069	15,750,895	15,742,571
Weighted Average Shares - Diluted	15,768,251	15,773,665	15,771,472	15,775,032