CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($)	3 Months Ended
	May 31, 2023	May 31, 2022
Income Statement [Abstract]
Net Sales	$ 3,603,018	$ 4,051,535
Cost of Goods Sold	1,825,786	1,944,522
Gross Profit	1,777,232	2,107,013
Operating Expenses
Research and product development costs	656,438	516,633
Marketing and selling expenses	800,784	789,862
General and administrative costs	411,626	419,993
Total Operating Expenses	1,868,848	1,726,488
Operating (Loss)/Income	(91,616)	380,525
Interest and Dividend Income	105,990	7,415
Net unrealized gain/(loss) on marketable securities	17,658	(11,853)
Income Before Income Taxes	32,032	376,087
Income Tax (Benefit) Expense	(21,374)	70,451
Net Income	$ 53,406	$ 305,636
Basic Earnings Per Share	$ 0.00	$ 0.02
Diluted Earnings Per Share	$ 0.00	$ 0.02
Weighted Average Shares - Basic	15,742,073	15,729,175
Weighted Average Shares - Diluted	15,769,442	15,752,424