Consolidated Balance Sheets (Parentheticals) (USD $)	Feb. 28, 2013	Feb. 29, 2012
Accounts receivable, allowance for doubtful accounts (in Dollars)	$ 507,806	$ 488,448
Current portion of the valuation allowance (in Dollars)	10,382	0
Inventories, reserve (in Dollars)	253,148	249,500
Notes receivable, valuation allowance (in Dollars)	$ 37,400	$ 95,703
Preferred stock, par value (in Dollars per share)	$ 0.10	$ 0.10
Preferred stock, shares issued and outstanding Series A Junior Participating Preferred Stock	0	0
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	6,068,470	6,162,389
Common stock, shares outstanding	6,068,470	6,162,389
Preferred Stock - Normal (Member)
Preferred stock, authorized;	250,000	250,000
Series A Preferred Stock [Member]
Preferred stock, authorized shares	50,000	50,000
Undesignated Series [Member]
Undesignated series, authorized shares	200,000	200,000