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Employee Benefits (Narrative) (Details) (USD $) | 12 Months Ended |  |  |  | 1 Months Ended |  | 12 Months Ended
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Oct. 31, 2013 | Oct. 31, 2012 | Oct. 31, 2011 | Oct. 31, 2013 Restricted Stock Awards [Member] | Oct. 31, 2012 Restricted Stock Awards [Member] | Oct. 31, 2011 Restricted Stock Awards [Member] | Oct. 31, 2013 Restricted Stock Awards [Member] Maximum [Member] | Mar. 31, 2005 2005 Stock Incentive Plan [Member] | Mar. 31, 2011 2011 Stock Incentive Plan [Member] | Mar. 31, 2013 Amended 2011 Plan [Member] | Oct. 31, 2013 Amended 2011 Plan [Member] | Oct. 31, 2013 Non-employee Directors Stock Plan [Member] | Oct. 31, 2013 Non-employee Directors Stock Plan [Member] Restricted Stock Awards [Member] | Oct. 31, 2012 Non-employee Directors Stock Plan [Member] Restricted Stock Awards [Member] | Oct. 31, 2011 Non-employee Directors Stock Plan [Member] Restricted Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Health insurance coverage expense | $ 3,999,078 | $ 3,303,968 | $ 3,073,366 |  |  |  |  |  |  |  |  |  |  |  |
Matching 401(k) contributions | 130,361 | 229,417 | 83,245 |  |  |  |  |  |  |  |  |  |  |  |
Shares authorized and reserved for common stock issuance (shares) |  |  |  |  |  |  |  | 1,000,000 | 500,000 |  |  | 250,000 |  |  |
Additional shares authorized (shares) |  |  |  |  |  |  |  |  |  | 500,000 |  |  |  |  |
Shares available for grant (shares) |  |  |  |  |  |  |  |  |  |  | 395,000 | 29,000 |  |  |
Share-based compensation expense | 971,145 | 1,440,534 | 893,354 |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation expense for employees |  |  |  | 817,657 | 1,287,271 | 746,431 |  |  |  |  |  |  |  |  |
Compensation cost related to unvested equity-based compensation, period (in years) |  |  |  | 3 years 4 months 24 days |  |  |  |  |  |  |  |  |  |  |
Compensation cost related to unvested equity-based compensation |  |  |  |  |  |  | 2,200,000 |  |  |  |  |  |  |  |
Restricted share grants (shares) |  |  |  |  |  |  |  |  |  |  |  |  | 36,632 | 44,424 | 30,356
Restricted period |  |  |  |  |  |  |  |  |  |  |  |  | 6 months |  |
Share-based compensation expense for non-employee directors |  |  |  |  |  |  |  |  |  |  |  |  | $ 153,488 | $ 153,263 | $ 146,923

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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
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- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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