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Note 3 - Business Combinations (Details Textual) - USD ($)			3 Months Ended		8 Months Ended	9 Months Ended
	Nov. 26, 2024	Oct. 21, 2024	Jun. 28, 2025	Jun. 29, 2024	Jun. 28, 2025	Jun. 28, 2025	Jun. 29, 2024	Mar. 29, 2025	Dec. 28, 2024
Asset Impairment Charges						$ 1,001,000	$ 0
Business Combination, Acquisition-Related Cost, Expense			$ 27,000	$ 0		325,000	$ 0
Warren Facility [Member] | Discontinued Operations, Held-for-Sale [Member]
Asset, Held-for-Sale, Not Part of Disposal Group			4,900,000		$ 4,900,000	4,900,000
Asset Impairment Charges			500,000			500,000
Engineered Wire Products, Inc. [Member]
Business Combination, Consideration Transferred		$ 67,030,000
Business Combination, Holdback Liability, Current		$ 1,500,000	700,000		700,000	700,000
Business Combination, Holdback Adjustment					(800,000)
Goodwill, Measurement Period Adjustment						1,300,000
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Property, Plant, and Equipment						(1,300,000)
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual			17,400,000			39,400,000
Restructuring Reserve, Current			151,000		151,000	151,000		$ 93,000	$ 129,000
Restructuring and Related Cost, Expected Cost Remaining			400,000		400,000	400,000
Business Combination, Acquisition-Related Cost, Expense			27,000			279,000
Engineered Wire Products, Inc. [Member] | Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life		20 years
Engineered Wire Products, Inc. [Member] | Noncompete Agreements [Member]
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life		4 years
Engineered Wire Products, Inc. [Member] | Trade Names [Member]
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life		1 year
Engineered Wire Products, Inc. [Member] | Patents [Member]
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life		7 years
O'Brien Wire Products of Texas [Member]
Business Combination, Consideration Transferred	$ 5,116,000
Goodwill, Measurement Period Adjustment						900,000
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Property, Plant, and Equipment						(900,000)
Restructuring Reserve, Current			24,000		24,000	24,000		$ 35,000	$ 11,000
Restructuring and Related Cost, Expected Cost Remaining			200,000		$ 200,000	200,000
Business Combination, Acquisition-Related Cost, Expense			$ 0			$ 46,000
O'Brien Wire Products of Texas [Member] | Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life	20 years
O'Brien Wire Products of Texas [Member] | Noncompete Agreements [Member]
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life	5 years

X

- Definition

Adjustments made to the holdback payment after the acquisition date.

+ References

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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Amount of assets held-for-sale that are not part of a disposal group.

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- Definition

Amount of expense for acquisition-related cost incurred to effect business combination. Includes, but is not limited to, finder's fee; advisory, legal, accounting, valuation, and other professional and consulting fees; and general administrative cost, including cost of maintaining internal acquisition department.

+ References

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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 acquiree's revenue since acquisition date of business combination included in consolidated statement of income.

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- Definition

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Amount of increase (decrease) from measurement period adjustment of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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