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CONDENSED STATEMENTS OF CHANGES IN SHAREHOLDERS’ EQUITY - USD ($)
Common Stock
Capital in Excess of Par Value
Retained Earnings
Accumulated Other Comprehensive Loss
Treasury Stock
Total
Balance at Feb. 29, 2024 $ 2,540,400 $ 13,405,400 $ 42,566,600 $ 24,400 $ (13,086,100) $ 45,450,700
Balance (in Shares) at Feb. 29, 2024 12,702,080       4,126,992  
Balance at May. 31, 2024 $ 2,540,400 13,502,100 41,287,600 47,300 $ (13,073,400) 44,304,000
Balance (in Shares) at May. 31, 2024 12,702,080       4,122,992  
Sale of treasury stock   (4,100)     $ 12,700 8,600
Sale of treasury stock (in Shares)         (4,000)  
Share-based compensation expense - net   100,800       100,800
Change in fair value of interest rate exchange agreement       22,900   22,900
Net Loss     (1,279,000)     (1,279,000)
Balance at Feb. 29, 2024 $ 2,540,400 13,405,400 42,566,600 24,400 $ (13,086,100) 45,450,700
Balance (in Shares) at Feb. 29, 2024 12,702,080       4,126,992  
Balance at Aug. 31, 2024 $ 2,540,400 13,599,900 39,484,200 (20,400) $ (13,065,500) 42,538,600
Balance (in Shares) at Aug. 31, 2024 12,702,080       4,120,479  
Net Loss           (3,082,400)
Balance at May. 31, 2024 $ 2,540,400 13,502,100 41,287,600 47,300 $ (13,073,400) 44,304,000
Balance (in Shares) at May. 31, 2024 12,702,080       4,122,992  
Balance at Aug. 31, 2024 $ 2,540,400 13,599,900 39,484,200 (20,400) $ (13,065,500) 42,538,600
Balance (in Shares) at Aug. 31, 2024 12,702,080       4,120,479  
Sale of treasury stock   (3,000)     $ 7,900 4,900
Sale of treasury stock (in Shares)         (2,513)  
Share-based compensation expense - net   100,800       100,800
Change in fair value of interest rate exchange agreement       (67,700)   (67,700)
Net Loss     (1,803,400)     (1,803,400)
Balance at Feb. 28, 2025 $ 2,540,400 13,800,000 37,303,000 (15,400) $ (13,060,400) 40,567,600
Balance (in Shares) at Feb. 28, 2025 12,702,080       4,118,879  
Balance at May. 31, 2025 $ 2,540,400 13,800,000 36,227,800   $ (13,060,400) 39,507,800
Balance (in Shares) at May. 31, 2025 12,702,080       4,118,879  
Change in fair value of interest rate exchange agreement       15,400   15,400
Net Loss     (1,075,200)     (1,075,200)
Balance at Feb. 28, 2025 $ 2,540,400 13,800,000 37,303,000 $ (15,400) $ (13,060,400) 40,567,600
Balance (in Shares) at Feb. 28, 2025 12,702,080       4,118,879  
Balance at Aug. 31, 2025 $ 2,540,400 13,800,000 34,933,100   $ (13,060,400) 38,213,100
Balance (in Shares) at Aug. 31, 2025 12,702,080       4,118,879  
Net Loss           (2,369,900)
Balance at May. 31, 2025 $ 2,540,400 13,800,000 36,227,800   $ (13,060,400) 39,507,800
Balance (in Shares) at May. 31, 2025 12,702,080       4,118,879  
Balance at Aug. 31, 2025 $ 2,540,400 $ 13,800,000 34,933,100   $ (13,060,400) 38,213,100
Balance (in Shares) at Aug. 31, 2025 12,702,080       4,118,879  
Net Loss     $ (1,294,700)     $ (1,294,700)