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Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data
Jun. 30, 2011
Sep. 30, 2010
Accounts receivable allowance for doubtful accounts $ 128 $ 83
Preferred stock, par value $ 0 $ 0
Preferred stock, shares authorized 5,000,000 5,000,000
Preferred stock, shares issued 0 0
Common stock, par value $ 0.10 $ 0.10
Common stock, shares authorized 25,000,000 25,000,000
Common stock, shares issued 9,300,623 9,278,088