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. 28, 2013	$ 1,208,200	$ 8,548,000	$ 15,194,700	$ (11,499,100)	$ 13,451,800
Balance (in Shares) at Feb. 28, 2013	6,041,040			2,080,228	6,041,040
Purchases of treasury stock				(129,200)	(129,200)
Purchases of treasury stock (in Shares)				43,349
Sales of treasury stock				130,900	130,900
Sales of treasury stock (in Shares)				(43,949)
Dividends declared ($.08/share)			(316,900)		(316,900)
Dividends paid ($.16/share)			(636,700)		(636,700)
Net earnings			670,800		670,800
Balance at Nov. 30, 2013	$ 1,208,200	$ 8,548,000	$ 14,911,900	$ (11,497,400)	$ 13,170,700
Balance (in Shares) at Nov. 30, 2013	6,041,040			2,079,628	6,041,040