CONDENSED BALANCE SHEETS (Unaudited) (Parenthetical) (USD $)	May 31, 2014	Feb. 28, 2014
Current assets:
Allowance for doubtful accounts	$ 50,000	$ 50,000
Allowance for obsolete inventory	$ 2,316,251	$ 2,412,538
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)	109,049,032	88,414,499
Common stock, shares outstanding (in shares)	109,049,032	88,414,499