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Note 7 - Income Taxes (Details Textual) - USD ($)	12 Months Ended
	Sep. 26, 2023	Sep. 30, 2015	Sep. 27, 2022	Sep. 24, 2019	Sep. 25, 2018	Sep. 30, 2012	Sep. 25, 2011
Operating Loss Carryforwards				$ 11,840,000	$ 496,000		$ 1,397,000
Operating Loss Carryforwards, Utilization Limit						$ 727,000
Income Tax Credits and Adjustments		$ 6,262,000
Deferred Tax Assets, Valuation Allowance	$ (0)		$ 10,535,000
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	(10,535,000)
Deferred Taxes, Business Combination, Valuation Allowance, Allocated to Contributed Capital	$ 792,000

X

- Definition

Loss carryforward is an accounting technique that applies current year net operating losses to future years' profits in order to reduce tax liability.

+ References

No definition available.

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X

- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482685/740-10-50-2

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- Definition

Amount of valuation allowance for tax benefit to be credited to shareholders' equity if tax benefit subsequently becomes realizable. Includes, but is not limited to, adjustment to opening balance of retained earnings for change in accounting principle or correction of error, gain (loss) in comprehensive income (loss) but excluded from net income (loss), deductible expenditure for income tax purposes reported as reduction of shareholders' equity, and deductible temporary difference existing at date of quasi-reorganization.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 11
-Subparagraph (g)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482659/740-20-45-11

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- Definition

A credit or adjustment for government or taxing authority authorized decrease in taxes owed as a result of meeting certain tax policy conditions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

+ References

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