Note 11 - Employee Benefit Plan (Details) (USD $)	12 Months Ended
	Feb. 28, 2014	Feb. 28, 2013	Feb. 29, 2012
Disclosure Text Block Supplement [Abstract]
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay	25.00%
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent	1.50%
Defined Contribution Plan, Employer Discretionary Contribution Amount	$ 60,000	$ 50,000	$ 39,000