CONDENSED BALANCE SHEETS (Unaudited) (Parenthetical) (USD $)	Aug. 31, 2013	Feb. 28, 2013
Current assets:
Allowance for doubtful accounts	$ 50,000	$ 50,000
Allowance for obsolete inventory	$ 1,247,959	$ 1,341,650
Stockholders' deficit:
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	150,000,000	150,000,000
Common stock, shares issued (in shares)	88,414,499	76,604,573
Common stock, shares outstanding (in shares)	88,414,499	76,604,573