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CONSOLIDATED STATEMENTS OF INCOME - USD ($)
 12 Months Ended
Feb. 28, 2023
Feb. 28, 2022
Income Statement [Abstract]    
Net Sales $ 15,058,203 $ 17,132,710
Cost of Goods Sold 7,406,196 8,520,156
Gross Profit 7,652,007 8,612,554
Operating Expenses    
Research and product development 2,149,525 1,729,509
Marketing and selling 3,169,730 3,367,403
General and administrative 1,649,761 1,626,306
Total Operating Expenses 6,969,016 6,723,218
Operating Income 682,991 1,889,336
Other Income (Expense):    
Interest and Dividend Income 140,042 9,496
Net unrealized loss on marketable securities (33,119)
Paycheck Protection Program Loan Forgiveness 1,005,372
Income before Income Taxes 789,914 2,904,204
Income Tax Expense 154,009 361,631
Net Income $ 635,905 $ 2,542,573
Basic Earnings Per Share $ 0.04 $ 0.16
Diluted Earnings Per Share $ 0.04 $ 0.16
Weighted Average Shares – Basic 15,735,451 15,586,404
Weighted Average Shares – Diluted 15,769,499 15,623,485