Consolidated Balance Sheets (November 30, 2011 unaudited) (Parentheticals) (USD $)	Nov. 30, 2011	Feb. 28, 2011
Accounts receivable, allowance for doubtful accounts (in Dollars)	$ 557,721	$ 376,319
Inventories, reserve (in Dollars)	247,199	246,631
Notes receivable, valuation allowance (in Dollars)	$ 74,900	$ 14,000
Common stock, par value (in Dollars per share)	$ 0.03	$ 0.03
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	6,126,007	6,069,976
Common stock, shares outstanding	6,126,007	6,069,976
Series A Junior Participating Preferred Stock [Member]
Preferred Stock, par value (in Dollars per share)	$ 0.10	$ 0.10
Preferred Stock, shares authorized	50,000	50,000
Preferred Stock, shares issued	0	0
Preferred Stock, shares outstanding	0	0
Undesignated Series [Member]
Preferred Stock, par value (in Dollars per share)	$ 0.10	$ 0.10
Preferred Stock, shares authorized	200,000	200,000
Preferred Stock, shares issued	0	0
Preferred Stock, shares outstanding	0	0