Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Jun. 30, 2018	Jul. 01, 2017
Operating Activities:
Net loss	$ (1,220,711)	$ (960,109)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	38,384	83,141
Stock-based compensation	18,416	10,809
Amortization of premium on held to maturity securities	10,253	20,412
Payment of tax on exercised stock options	(33,870)
Changes in certain operating assets and liabilities:
Accounts receivable	132,270	(309,723)
Inventory reserve	(140,777)	(127,540)
Other current assets	(36,216)	(18,799)
Customer deposits	(795)	(110,339)
Deferred revenue	1,042,675	48,681
Accounts payable and other accrued liabilities	47,868	(82,603)
Net cash used in operating activities	(142,503)	(1,446,070)
Investing Activities:
Proceeds from sale of cost method investment		75,817
Additions to equipment and leasehold improvements	(43,662)	(3,575)
Proceeds from maturities of marketable securities	350,000	300,000
Net cash provided by investing activities	306,338	372,242
Net increase (decrease) in cash, cash equivalents and restricted cash	163,835	(1,073,828)
Cash, cash equivalents and restricted cash at beginning of the period	1,296,603	2,616,628
Cash, cash equivalents and restricted cash at end of the period	1,460,438	1,542,800
Non-cash financing activities:
Exercise of stock options – cashless	915
Supplemental Disclosures:
Income taxes paid		$ 856