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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 (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       110,800 110,800
Sales of treasury stock (in Shares)       (28,222)  
Dividends declared ($.12/share)     (471,700)   (471,700)
Dividends declared and paid ($.12/share)     (470,000)   (470,000)
Net earnings     488,400   488,400
Balance at Aug. 31, 2012 $ 1,208,200 $ 8,548,000 $ 15,671,600 $ (11,601,800) $ 13,826,000
Balance (in Shares) at Aug. 31, 2012 6,041,040     2,109,835 6,041,040