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CONDENSED BALANCE SHEETS (Parentheticals) (USD $)
Nov. 30, 2013
Feb. 28, 2013
Allowance for doubtful accounts and sales returns (in Dollars) $ 574,100 $ 571,900
Common Stock, par value (in Dollars per share) $ 0.20 $ 0.20
Common Stock, shares authorized (in Shares) 8,000,000 8,000,000
Common Stock, shares issued (in Shares) 6,041,040 6,041,040
Common Stock, shares outstanding (in Shares) 3,961,412 3,960,812