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STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($)
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Treasury Stock, Common [Member]
Total
Balance at Feb. 28, 2021 $ 2,482,000 $ 10,863,900 $ 39,683,000 $ (12,769,100) $ 40,259,800
Balance (in Shares) at Feb. 28, 2021 12,410,080     4,063,480  
Sales of treasury stock   418,200   $ 198,900 617,100
Sales of treasury stock (in Shares)       (63,647)  
Issuance of restricted share awards for vesting $ 58,400 (82,000)   $ 23,600  
Issuance of restricted share awards for vesting (in Shares) 292,000     (5,000)  
Dividends declared     (3,464,700)   (3,464,700)
Share-based compensation expense - net   1,046,500     1,046,500
Net earnings (loss)     8,306,800   8,306,800
Balance at Feb. 28, 2022 $ 2,540,400 12,246,600 44,525,100 $ (12,546,600) 46,765,500
Balance (in Shares) at Feb. 28, 2022 12,702,080     3,994,833  
Sales of treasury stock   39,000   $ 24,400 63,400
Sales of treasury stock (in Shares)       (7,771)  
Issuance of restricted share awards for vesting (in Shares)       (28,000)  
Forfeiture of restricted share awards (in Shares)       29,729  
Share-based compensation expense - net   907,800     907,800
Net earnings (loss)     (2,504,900)   (2,504,900)
Balance at Feb. 28, 2023 $ 2,540,400 $ 13,193,400 $ 42,020,200 $ (12,522,200) $ 45,231,800
Balance (in Shares) at Feb. 28, 2023 12,702,080     3,988,791