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Condensed Consolidated Statements Of Cash Flows (USD $)
 3 Months Ended
Jan. 31, 2014
Jan. 31, 2013
Cash flows from operating activities:    
Net income $ (443,672) $ 111,232
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation, amortization and accretion 478,576 495,112
Bad debt recovery (7,255) (7,095)
Deferred income tax expense (benefit) 36,366 42,871
Share-based compensation expense 155,412 336,798
Impact of excess tax benefits from share-based compensation (3,299) (40,205)
Loss on sale of property and equipment 990 0
(Increase) decrease in:    
Trade accounts receivable 1,253,759 3,400,146
Other receivables 84,086 114,911
Income taxes refundable (292,379) (19,425)
Inventories (977,758) (995,794)
Prepaid expenses and other assets (202,205) (26,113)
Increase (decrease) in:    
Accounts payable and accrued expenses 792,524 193,907
Accrued compensation and payroll taxes 117,684 (2,075,733)
Income taxes payable 0 17,268
Other noncurrent liabilities (77,714) (35,371)
Net cash provided by operating activities 915,115 1,512,509
Cash flows from investing activities:    
Purchase of and deposits for the purchase of property and equipment (205,335) (1,487,958)
Investment in intangible assets (21,090) (36,230)
Net cash used in investing activities (226,425) (1,524,188)
Cash flows from financing activities:    
Payroll taxes withheld and remitted on share-based payments (21,277) (287,151)
Proceeds from note payable to bank 0 2,300,000
Principal payments on long-term debt and note payable to bank (562,935) (1,360,232)
Repurchase of common stock 0 (543,420)
Impact of excess tax benefits from share-based compensation 3,299 40,205
Common stock dividends paid (131,518) (222,429)
Net cash used in financing activities (712,431) (73,027)
Net increase (decrease) in cash (23,741) (84,706)
Cash at beginning of period 750,303 591,038
Cash at end of period $ 726,562 $ 506,332