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Shareholders' Equity (Details) (USD $)
0 Months Ended 3 Months Ended 9 Months Ended
Jul. 16, 2012
Jul. 31, 2012
Jul. 31, 2011
Jul. 31, 2012
Jul. 31, 2011
Jan. 31, 2012
Oct. 31, 2011
Shareholders' Equity [Abstract]              
Stock repurchase program, number of shares authorized to be repurchased           200,000  
Purchase and retire percentage of shares in common stock outstanding           3.00%  
Shares repurchased and retired       200,000      
Treasury stock, value, acquired, cost method       $ 875,863      
Common stock, shares outstanding   6,486,100   6,486,100     6,287,761
Cash dividends declared per common share $ 0.015 $ 0.015 $ 0.01 $ 0.045 $ 0.03    
Dividends payable, amount $ 99,277