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Condensed Consolidated Statements Of Cash Flows (USD $)
 9 Months Ended
Jul. 31, 2012
Jul. 31, 2011
Cash flows from operating activities:    
Net income $ 2,238,283 $ 276,478
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation, amortization and accretion 1,637,195 2,035,800
Bad debt expense (recovery) (8,958) 21,831
Deferred income tax expense (benefit) (353,176) 139,877
Share-based compensation expense 1,062,003 644,197
Impact of excess tax benefits from share-based compensation 6,387 (151,806)
(Gain) loss on sale of property and equipment 6,974 (5,249)
(Increase) decrease in:    
Trade accounts receivable (2,552,545) 482,025
Other receivables 252,186 47,077
Income taxes refundable 434,124 (286,426)
Inventories (2,534,676) (1,252,444)
Prepaid expenses and other assets (41,990) (113,113)
Other assets, net 12,884 4,922
Increase (decrease) in:    
Accounts payable and accrued expenses 232,067 (517,699)
Accrued compensation and payroll taxes 289,697 (341,723)
Income taxes payable 431,617 88,216
Other noncurrent liabilities (16,608) (106,438)
Net cash provided by operating activities 1,095,464 965,525
Cash flows from investing activities:    
Purchase of and deposits for the purchase of property and equipment (774,386) (1,239,197)
Investment in intangible assets (64,093) (35,924)
Proceeds from sale of property and equipment 80 32,986
Net cash used in investing activities (838,399) (1,242,135)
Cash flows from financing activities:    
Payroll taxes withheld and remitted on share-based payments (159,951) (241,617)
Proceeds from note payable to bank 4,900,000 1,000,000
Principal payments on long-term debt and note payable to bank (3,742,540) (832,991)
Payments for financing costs   (97,405)
Repurchase of common stock (875,863) (846,287)
Impact of excess tax benefits from share-based compensation (6,387) 151,806
Common stock dividends paid (257,783) (188,896)
Net cash used in financing activities (142,524) (1,055,390)
Net increase (decrease) in cash 114,541 (1,332,000)
Cash at beginning of period 1,091,513 2,522,058
Cash at end of period $ 1,206,054 $ 1,190,058