Statements of Cash Flows - USD ($)	3 Months Ended
	Jan. 31, 2017	Jan. 31, 2016
Cash flow from operating activities:
Net income (loss)	$ (39,413)	$ 68,531
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	49,500	40,500
Deferred income taxes	(21,000)
Changes in operating assets and liabilities:
Accounts receivable	556,460	681,353
Inventories	159,650	388,222
Prepaid expenses and other assets	36,018	(28,070)
Accounts payable	157,577	230,939
Accrued liabilities	(9,625)	(305,109)
Customer deposits	338,592	(23,293)
Net cash provided by operating activities	1,227,759	1,053,073
Cash flows from investing activities:
Purchase of property and equipment	(2,312)	(8,980)
Redemptions of certificates of deposit	(585)	161,910
Net cash provided by (used in) investing activities	(2,897)	152,930
Cash flows from financing activities
Payments on notes payable		(29,060)
Net cash used in financing activities		(29,060)
Net increase in cash and cash equivalents	1,224,862	1,176,943
Cash and cash equivalents at beginning of period	2,719,337	2,665,219
Cash and cash equivalents at end of period	3,944,199	4,842,162
Supplemental disclosure of cash flow information:
Cash paid during period for Interest		2,063
Cash paid during the period for Income taxes		$ 285,000