Note 11 - Impairment of Long-lived Assets (Detail) - Impairment of long-lived assets (USD $)	3 Months Ended	9 Months Ended
	Nov. 30, 2012	Nov. 30, 2012
Total impairment provision	$ 1,978,216	$ 1,978,216
Retail [Member]
Total impairment provision		1,929,453
All Other Segments [Member]
Total impairment provision		$ 48,763