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Consolidated Condensed Balance Sheets (Unaudited) (Parenthetical) (USD $)
In Thousands, except Per Share data
Jul. 31, 2011
Oct. 31, 2010
Current assets:    
Net of allowances of accounts receivable $ 1,996 $ 1,372
Shareholders' equity:    
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 100,000 100,000
Common stock, shares issued 14,770 14,712
Common stock, shares outstanding 14,770 14,712