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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
 6 Months Ended
Apr. 30, 2022
Apr. 30, 2021
Cash flows from operating activities:    
Net loss $ (1,163,784) $ 1,243,679
Adjustments to reconcile net income (loss) to net cash used in operating activities:    
Depreciation and amortization 569,257 640,934
Bad debt expense 18,038 4,616
Share-based compensation expense 237,651 142,367
Loss on sale of property and equipment 31,905 3,167
(Increase) decrease in:    
Trade accounts receivable (2,193,887) (1,080,026)
Other receivables 21,647 (3,443,868)
Inventories (2,342,183) 267,156
Prepaid expenses and other assets 100,399 107,166
Income taxes refundable 0 25,003
Other assets 193,872 (119,134)
Increase (decrease) in:    
Accounts payable and accrued expenses 1,932,023 1,538,457
Accrued compensation and payroll taxes 276,170 329,861
Income taxes payable 3,790 3,724
Other noncurrent liabilities (712,902) (55,035)
Net cash used in operating activities (3,028,004) (391,933)
Cash flows from investing activities:    
Purchase of and deposits for the purchase of property and equipment (100,313) (90,295)
Investment in intangible assets (11,669) (14,640)
Net cash used in investing activities (111,982) (104,935)
Cash flows from financing activities:    
Payroll taxes withheld and remitted on share-based payments (104,636) 0
Proceeds from note payable, revolver 33,107,669 27,446,179
Payments on note payable, revolver (29,528,380) (26,498,162)
Principal payments on long-term debt (161,049) (181,040)
Payments for financing costs (50,000) (50,000)
Principal payments on financing lease (16,833) 0
Net cash provided by financing activities 3,246,771 716,977
Net increase in cash 106,785 220,109
Cash at beginning of period 132,249 140,839
Cash at end of period $ 239,034 $ 360,948