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CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Aug. 31, 2025 | Aug. 31, 2024 | Aug. 31, 2025 | Aug. 31, 2024
Income Statement [Abstract] |  |  |  |
Net Sales | $ 5,162,696 | $ 5,161,782 | $ 10,295,469 | $ 10,192,820
Cost of Goods Sold | 2,572,959 | 2,645,685 | 5,041,218 | 5,222,236
Gross Profit | 2,589,737 | 2,516,097 | 5,254,251 | 4,970,584
Operating Expenses |  |  |  |
Research and product development costs | 627,278 | 695,873 | 1,295,748 | 1,427,303
Marketing and selling expenses | 871,353 | 988,418 | 1,729,504 | 1,885,608
General and administrative costs | 669,952 | 545,816 | 1,324,477 | 1,133,387
Total Operating Expenses | 2,168,583 | 2,230,107 | 4,349,729 | 4,446,298
Operating Income | 421,154 | 285,990 | 904,522 | 524,286
Interest and Dividend Income | 81,562 | 85,076 | 223,660 | 227,730
Net unrealized gain on marketable securities | 23,493 | 43,580 | 1,570 | 53,941
Income Before Income Taxes | 526,209 | 414,646 | 1,129,752 | 805,957
Income Tax Expense | 102,516 | 73,961 | 221,074 | 134,435
Net Income | $ 423,693 | $ 340,685 | $ 908,678 | $ 671,522
Basic Earnings Per Share | $ 0.03 | $ 0.02 | $ 0.06 | $ 0.04
Diluted Earnings Per Share | $ 0.03 | $ 0.02 | $ 0.06 | $ 0.04
Weighted Average Shares - Basic | 15,721,162 | 15,750,910 | 15,727,844 | 15,750,895
Weighted Average Shares - Diluted | 15,731,571 | 15,768,251 | 15,740,384 | 15,771,472

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