v3.25.2

Note 8 - Income Taxes (Details Textual) - USD ($)	9 Months Ended
Note 8 - Income Taxes (Details Textual) - USD ($)	Jun. 28, 2025	Jun. 29, 2024	Sep. 28, 2024
Effective Income Tax Rate Reconciliation, Percent	23.40%	23.90%
Deferred Tax Liabilities, Net	$ 11,094,000		$ 11,635,000
Deferred Tax Assets, Valuation Allowance	$ 112,000		$ 149,000
Open Tax Year	2020 2021 2023 2024 2025
State and Local Jurisdiction [Member]
Operating Loss Carryforwards	$ 2,400,000
State and Local Jurisdiction [Member] \| Earliest Tax Year [Member]
Operating Loss Carryforwards, Expiration Date	Sep. 27, 2031
State and Local Jurisdiction [Member] \| Latest Tax Year [Member]
Operating Loss Carryforwards, Expiration Date	Sep. 29, 2040

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

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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Tax year that remains open to examination under enacted tax laws, in YYYY format.

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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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Expiration date of each operating loss carryforward included in operating loss carryforward, in YYYY-MM-DD format.

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INSTEEL INDUSTRIES INC 10-Q