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Consolidated Statements of Cash Flows - USD ($)
 12 Months Ended
Oct. 31, 2015
Oct. 31, 2014
Oct. 31, 2013
Cash flows from operating activities:      
Net income (loss) $ (4,297,445) $ 622,907 $ (72,478)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:      
Depreciation, amortization and accretion 2,076,486 2,022,648 2,051,433
Bad debt expense (recovery) (16,889) 18,915 20,461
Deferred income tax expense (benefit) 2,228,124 (423,524) 998,747
Share-based compensation expense 1,078,563 956,859 971,145
Impact of excess tax benefits from share-based compensation (519) (33,462) (41,598)
Loss on sale of property and equipment 12,059 39,137 12,858
(Increase) decrease in:      
Trade accounts receivable 4,903,740 (4,143,294) 2,628,971
Other receivables 45,707 44,881 (8,804)
Income taxes refundable (360,324) 590,569 (472,511)
Inventories (297,961) 716,160 229,740
Prepaid expenses 14,819 (247,702) 153,265
Other assets, net 16,341    
Increase (decrease) in:      
Accounts payable and accrued expenses (1,698,165) 2,171,801 (800,378)
Accrued compensation and payroll taxes (1,672,372) 1,597,509 (2,166,861)
Income taxes payable (675,034) 731,513 18,661
Other noncurrent liabilities (154,782) (280,599) (47,114)
Net cash provided by operating activities 1,202,348 4,384,318 3,475,537
Cash flows from investing activities:      
Purchase of and deposits for the purchase of property and equipment (3,148,964) (2,820,183) (2,983,960)
Investment in intangible assets (95,829) $ (138,501) (164,584)
Proceeds from sale of property and equipment 500 5,000
Net cash used in investing activities (3,244,293) $ (2,958,684) (3,143,544)
Cash flows from financing activities:      
Payroll taxes remitted on share-based payments (259,756) (126,070) (357,852)
Proceeds from note payable to bank 4,000,000 1,750,000 4,550,000
Principal payments on long-term debt and note payable to bank $ (770,012) $ (2,008,651) (3,297,749)
Principal payments on related party loans (86,177)
Repurchase of common stock $ (379,675) $ (195,206) (543,420)
Impact of excess tax benefits from share-based compensation 519 33,462 41,598
Common stock dividends paid (555,566) (539,965) (479,128)
Net cash provided by (used in) financing activities 2,035,510 (1,086,430) (172,728)
Net increase (decrease) in cash (6,435) 339,204 159,265
Cash at beginning of year 1,089,507 750,303 591,038
Cash at end of year 1,083,072 1,089,507 750,303
Supplemental disclosure of cash flow information:      
Cash payment for interest 427,024 394,241 449,134
Income taxes paid (refunded), net 434,206 (586,290) (187,548)
Noncash investing and financing activities:      
Capital expenditures accrued in accounts payable at year end 384,818 12,625 19,132
Common stock dividends declared and included in accounts payable and accrued expenses at year end $ 141,311 $ 136,931 $ 131,518