Note 1 - Nature of Operations and Summary of Significant Accounting Policies (Details) - Summary of Stock Option Transactions for Common Stock (USD $)	3 Months Ended
	May 31, 2014	May 31, 2013
Summary of Stock Option Transactions for Common Stock [Abstract]
Outstanding stock options as of February 28:	155,880	270,945
Outstanding stock options as of May 31:	22,640	182,220
Weighted average exercise price (in Dollars per share)	$ 11.57	$ 7.93
Weighted average remaining contractual term (in years)	1 year 21 days	1 year 62 days
Exercised	(133,240)
Cancelled/forfeited		(88,725)