Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Jan. 31, 2018	Jan. 31, 2017
Cash flow from operating activities:
Net income (loss)	$ 198,689	$ (39,413)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	49,500	49,500
Deferred income taxes	10,373	(21,000)
Changes in operating assets and liabilities:
Accounts receivable	66,440	556,460
Inventories	1,019,056	159,650
Prepaid expenses and other assets	49,320	36,018
Income taxes receivable	126,886
Accounts payable	(225,014)	157,577
Accrued liabilities	187,543	(9,625)
Customer deposits	(867,037)	338,592
Net cash provided by operating activities	615,756	1,227,759
Cash flows from investing activities:
Purchase of property and equipment	(51,669)	(2,312)
Redemptions of (interest earned on) certificates of deposit		(585)
Net cash used in investing activities	(51,669)	(2,897)
Net increase in cash and cash equivalents	564,087	1,224,862
Cash and cash equivalents at beginning of period	4,541,767	2,719,337
Cash and cash equivalents at end of period	$ 5,105,854	$ 3,944,199