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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 |  |  |  |  |  |

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