Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Jan. 31, 2020	Jan. 31, 2019
Cash flows from operating activities:
Net loss	$ (2,591,888)	$ (3,310,020)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	392,978	443,433
Bad debt expense (recovery)	(14,838)	23,809
Share-based compensation expense	34,356	862,254
Loss on sale of property and equipment	2,782	0
(Increase) decrease in:
Trade accounts receivable	3,563,267	2,958,441
Other receivables	43,381	6,679
Inventories	915,488	(2,010,801)
Prepaid expenses and other assets	(73,124)	98,090
Increase (decrease) in:
Accounts payable and accrued expenses	(1,103,593)	1,727,676
Accrued compensation and payroll taxes	(632,415)	(1,916,234)
Income taxes payable	4,025	(1,344)
Other noncurrent liabilities	3,212	(32,735)
Net cash provided by (used in) operating activities	543,631	(1,150,752)
Cash flows from investing activities:
Purchase of and deposits for the purchase of property and equipment	(46,702)	(317,619)
Investment in intangible assets	(21,060)	(25,977)
Net cash used in investing activities	(67,762)	(343,596)
Cash flows from financing activities:
Proceeds from notes payable to bank	0	2,000,000
Principal payments on long-term debt and notes payable to bank	(319,459)	(263,737)
Repurchase of common stock	0	(1,257)
Net cash provided by (used in) financing activities	(319,459)	1,735,006
Net increase in cash	156,410	240,658
Cash at beginning of period	537,330	177,413
Cash at end of period	$ 693,740	$ 418,071