CONDENSED STATEMENT OF CHANGES IN SHAREHOLDERS' EQUITY (UNAUDITED) - 3 months ended May 31, 2016 - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Total
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
Sales of treasury stock				$ 45,600	45,600
Sales of treasury stock (in Shares)				(5,059)
Dividends declared ($.09/share)			(366,400)		(366,400)
Net earnings			620,200		620,200
Balance at May. 31, 2016	$ 1,208,200	$ 8,548,000	$ 14,811,300	$ (11,038,600)	$ 13,528,900
Balance (in Shares) at May. 31, 2016	6,041,040			1,971,371