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Condensed Consolidated Statements Of Cash Flows (USD $)
 9 Months Ended
Jul. 31, 2013
Jul. 31, 2012
Cash flows from operating activities:    
Net income $ 42,200 $ 2,238,283
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation, amortization and accretion 1,525,012 1,637,195
Bad debt expense (recovery) 42,929 (8,958)
Deferred income tax expense (benefit) 206,788 (353,176)
Share-based compensation expense 802,643 1,062,003
Impact of excess tax benefits from share-based compensation (37,052) 6,387
Loss on sale of property and equipment 11,785 6,974
(Increase) decrease in:    
Trade accounts receivable 1,151,820 (2,552,545)
Other receivables 59,013 252,186
Income taxes refundable (217,473) 434,124
Inventories (173,220) (2,534,676)
Prepaid expenses and other assets 8,257 (41,990)
Other assets, net 0 12,884
Increase (decrease) in:    
Accounts payable and accrued expenses 46,130 232,067
Accrued compensation and payroll taxes (1,972,998) 289,697
Income taxes payable 14,115 431,617
Other noncurrent liabilities (128,485) (16,608)
Net cash provided by operating activities 1,381,464 1,095,464
Cash flows from investing activities:    
Purchase of and deposits for the purchase of property and equipment (2,662,564) (774,386)
Investment in intangible assets (137,417) (64,093)
Proceeds from sale of property and equipment 5,000 80
Net cash used in investing activities (2,794,981) (838,399)
Cash flows from financing activities:    
Payroll taxes withheld and remitted on share-based payments (338,007) (159,951)
Proceeds from note payable to bank 4,550,000 4,900,000
Principal payments on long-term debt and note payable to bank (1,985,498) (3,742,540)
Repurchase of common stock (543,420) (875,863)
Impact of excess tax benefits from share-based compensation 37,052 (6,387)
Common stock dividends paid (347,423) (257,783)
Net cash provided by (used in) financing activities 1,372,704 (142,524)
Net increase (decrease) in cash (40,813) 114,541
Cash at beginning of period 591,038 1,091,513
Cash at end of period $ 550,225 $ 1,206,054