Note 7 - Operating Segments (Details Textual) (USD $)	3 Months Ended		9 Months Ended
	Nov. 30, 2014	Nov. 30, 2013	Nov. 30, 2014	Nov. 30, 2013
Segment Reporting [Abstract]
Number of Reportable Segments			5
Number of Major Customers			1
Revenues	$ 10,561,562	$ 9,279,994	$ 30,341,216	$ 28,121,017
Major Customer [Member]
Segment Reporting [Abstract]
Revenues			$ 2,900,000	$ 2,600,000
Sales Revenue, Net [Member] | Customer Concentration Risk [Member] | Major Customer [Member]
Segment Reporting [Abstract]
Concentration Risk, Percentage			9.60%	9.20%