Note 1 - Nature of Operations and Basis of Presentation (Detail) (USD $)	3 Months Ended	6 Months Ended
Aug. 31, 2012	Aug. 31, 2011	Aug. 31, 2012	Aug. 31, 2011
Number of Operating Segments			3
Share-based Compensation	$ 94,867	$ 97,997	$ 229,900	$ 254,230
Stock Issued During Period, Value, Share-based Compensation, Gross			37,200	52,886
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights			20%
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			5 years
Stock Issued During Period, Shares, Restricted Stock Award, Gross (in Shares)	33,770		44,190
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized	473,545		473,545
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition			1 year 219 days	2 years 178 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)				$ 0.89
Unrestricted Shares Of Stock [Member]
Stock Issued During Period, Shares, Share-based Compensation, Gross (in Shares)			4,000	4,000
Stock Options [Member]
Stock Issued During Period, Shares, Share-based Compensation, Gross (in Shares)				12,936
Restricted Stock Units (RSUs) [Member]
Share-based Compensation	$ 94,867		$ 192,700

As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

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