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STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($)
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Treasury Stock [Member]
Total
Balance at Feb. 28, 2015 $ 1,208,200 $ 8,548,000 $ 13,857,200 $ (11,285,100) $ 12,328,300
Balance (in Shares) at Feb. 28, 2015 6,041,040     2,016,501  
Purchases of treasury stock       $ (1,600) (1,600)
Purchases of treasury stock (in Shares)       163  
Sales of treasury stock       $ 202,500 202,500
Sales of treasury stock (in Shares)       (40,234)  
Dividends declared     (366,300)   (366,300)
Dividends paid     (1,052,700)   (1,052,700)
Net earnings     2,119,300   2,119,300
Balance at Feb. 29, 2016 $ 1,208,200 8,548,000 14,557,500 $ (11,084,200) $ 13,229,500
Balance (in Shares) at Feb. 29, 2016 6,041,040     1,976,430 6,041,040
Purchases of treasury stock       $ (200) $ (200)
Purchases of treasury stock (in Shares)       23  
Sales of treasury stock       $ 227,800 227,800
Sales of treasury stock (in Shares)       (25,487)  
Dividends paid     (1,100,600)   (1,100,600)
Net earnings     2,860,900   2,860,900
Balance at Feb. 28, 2017 $ 1,208,200 $ 8,548,000 $ 16,317,800 $ (10,856,600) $ 15,217,400
Balance (in Shares) at Feb. 28, 2017 6,041,040     1,950,966 6,041,040