Note 6 - Income Taxes (Detail) - Income Tax Expense (USD $)	12 Months Ended
	Feb. 28, 2013	Feb. 29, 2012	Feb. 28, 2011
Federal	$ 2,090,996	$ 1,128,049	$ 1,650,552
State	287,026	173,822	217,039
Total Current	2,378,022	1,301,871	1,867,591
Federal	(1,107,287)	729,900	223,424
State	(37,275)	3,975	7,203
Total Deferred	(1,144,562)	733,875	230,627
Total	$ 1,233,460	$ 2,035,746	$ 2,098,218