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CONDENSED STATEMENT OF CHANGES IN SHAREHOLDERS' EQUITY (UNAUDITED) (USD $)
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Treasury Stock [Member]
Total
Balance at Feb. 29, 2012 $ 1,208,200 $ 8,548,000 $ 16,124,900 $ (11,663,500) $ 14,217,600
Balance, shares (in Shares) at Feb. 29, 2012 6,041,040     2,127,857 6,041,040
Purchases of treasury stock       (49,100) (49,100)
Purchases of treasury stock (in Shares)       10,200  
Sales of treasury stock       55,100 55,100
Sales of treasury stock (in Shares)       (13,783)  
Dividends declared ($.12/share)     (470,000)   (470,000)
Net earnings     350,200   350,200
Balance at May. 31, 2012 $ 1,208,200 $ 8,548,000 $ 16,005,100 $ (11,657,500) $ 14,103,800
Balance, shares (in Shares) at May. 31, 2012 6,041,040     2,124,274 6,041,040