Condensed Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Jul. 31, 2020	Jul. 31, 2019
Cash flow from operating activities:
Net (loss) income	$ (295,865)	$ 87,911
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	161,400	157,430
Gain on sale of fixed assets	(10,500)	0
Changes in operating assets and liabilities:
Accounts receivable	(49,888)	(23,290)
Inventories	(215,566)	(140,389)
Prepaid expenses and other assets	(55,935)	48,990
Accounts payable	(64,164)	(89,281)
Accrued liabilities	19,181	(99,844)
Customer deposits	(147,592)	(639,760)
Net cash (used in) provided by operating activities	(658,929)	(698,233)
Cash flows from investing activities:
Purchase of property and equipment	(179,666)	(244,580)
Proceeds received on sale of fixed assets	10,500	0
Interest earned on certificates of deposit	(7,826)	0
Net cash used in investing activities	(176,992)	(244,580)
Cash flows from financing activities:
Proceeds from PPP loan	626,466	0
Net cash provided by financing activities	626,466	0
Net decrease in cash and cash equivalents	(209,455)	(942,813)
Cash and cash equivalents at beginning of period	2,714,764	4,733,510
Cash and cash equivalents at end of period	$ 2,505,309	$ 3,790,697