BALANCE SHEETS (PARENTHETICAL) (USD $)	Aug. 31, 2012	Feb. 29, 2012
BALANCE SHEETS [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 21,456	$ 17,718
Patents, accumulated amortization	$ 109,838	$ 170,640
Common Stock, par value per share	$ 0.01	$ 0.01
Common Stock, shares authorized	50,000,000	50,000,000
Common Stock, shares issued	38,936,667	37,471,667
Common Stock, shares outstanding	36,661,667	35,196,667
Treasury Stock, shares	2,275,000	2,275,000