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Consolidated Condensed Balance Sheets (Unaudited) (Parenthetical) (USD $)
In Thousands, except Per Share data, unless otherwise specified
Jan. 31, 2012
Oct. 31, 2011
Consolidated Condensed Balance Sheets [Abstract]    
Net of allowances of accounts receivable $ 2,289 $ 2,285
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 100,000 100,000
Common stock, shares issued 14,787 14,770
Common stock, shares outstanding 14,787 14,770