Note 1 - Basis of Presentation (Details Textual) - USD ($) $ in Thousands		9 Months Ended
Jun. 29, 2018	Jun. 29, 2018	Jun. 30, 2017	Sep. 29, 2017	Sep. 30, 2016
Proceeds from Long-term Lines of Credit		$ 2,000	$ 0
Retained Earnings (Accumulated Deficit), Ending Balance	$ (19,792)	(19,792)		$ (17,433)
Net Cash Provided by (Used in) Operating Activities, Total		(1,885)	(3,315)
Cash and Cash Equivalents, at Carrying Value, Ending Balance	4,772	4,772	$ 5,104	$ 5,080	$ 8,540
The Kevin Ross Gruneich Legacy Trust [Member] \| Line of Credit [Member]
Line of Credit Facility, Maximum Borrowing Capacity	5,000	$ 5,000
Proceeds from Long-term Lines of Credit	$ 2,000

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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