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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
In Thousands, except Per Share data, unless otherwise specified
Mar. 31, 2012
Sep. 30, 2011
CONSOLIDATED BALANCE SHEETS    
Accounts receivable, allowance for doubtful accounts (in dollars) $ 0 $ 0
Preferred stock, par value (in dollars per share) $ 0.10 $ 0.10
Preferred stock, authorized shares 5,000 5,000
Preferred stock, issued shares 0 0
Preferred stock, outstanding shares 0 0
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, authorized shares 40,000 40,000
Common stock, issued shares 6,077 6,023
Common stock, outstanding shares 6,075 6,021
Treasury stock, shares 2 2