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CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($)
3 Months Ended 6 Months Ended
Aug. 31, 2026
Aug. 31, 2025
Aug. 31, 2026
Aug. 31, 2025
Income Statement [Abstract]        
Net Sales $ 5,232,153 $ 5,162,696 $ 10,893,312 $ 10,295,469
Cost of Goods Sold 2,465,298 2,572,959 4,912,537 5,041,218
Gross Profit 2,766,855 2,589,737 5,980,775 5,254,251
Operating Expenses        
Research and product development costs 679,160 627,278 1,296,143 1,295,748
Marketing and selling expenses 1,000,747 871,353 2,025,731 1,729,504
General and administrative costs 705,417 669,952 1,380,209 1,324,477
Total Operating Expenses 2,385,324 2,168,583 4,702,083 4,349,729
Operating Income 381,531 421,154 1,278,692 904,522
Interest and Dividend Income 153,936 81,562 268,559 223,660
Net unrealized (loss)/gain on marketable securities (37,433) 23,493 (63,704) 1,570
Income Before Income Taxes 498,034 526,209 1,483,547 1,129,752
Income Tax Expense 131,740 102,516 376,085 221,074
Net Income $ 366,294 $ 423,693 $ 1,107,462 $ 908,678
Basic Earnings Per Share $ 0.02 $ 0.03 $ 0.07 $ 0.06
Diluted Earnings Per Share $ 0.02 $ 0.03 $ 0.07 $ 0.06
Weighted Average Shares - Basic 15,716,723 15,721,162 15,714,954 15,727,844
Weighted Average Shares - Diluted 15,806,121 15,731,571 15,789,915 15,740,384