This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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Amount expected to be recognized in earnings for the specified restructuring cost.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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Note 5 - Business Combination (Details Textual) - USD ($)		12 Months Ended
	Mar. 16, 2020	Oct. 03, 2020	Sep. 28, 2019	Sep. 29, 2018
Restructuring Reserve, Ending Balance		$ 171,000
Restructuring and Related Cost, Expected Cost, Total		700,000
Business Combination, Acquisition Related Costs		195,000	$ 0	$ 0
Accrued Expenses [Member]
Restructuring Reserve, Ending Balance		171,000
STM [Member]
Business Combination, Consideration Transferred, Total	$ 19,400,000
Business Combination, Consideration Transferred, Liabilities Incurred	$ 1,000,000.0
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual		3,000,000.0
Business Combination, Acquisition Related Costs		$ 195,000