Note 3 - Business Combination - Restructuring Activity (Details) - USD ($)	3 Months Ended				9 Months Ended
	Jun. 28, 2025	Mar. 29, 2025	Dec. 28, 2024	Jun. 29, 2024	Jun. 28, 2025	Jun. 29, 2024
Restructuring charges, net	$ 843,000			$ 0	$ 2,201,000	$ 0
Engineered Wire Products, Inc. [Member]
Restructuring charges, net	781,000	$ 444,000	$ 674,000
Cash payments	(315,000)	(263,000)	(275,000)
Non-cash charges	(408,000)	(217,000)	(270,000)
Liability	151,000	93,000	129,000		151,000
Engineered Wire Products, Inc. [Member] | Employee Severance [Member]
Restructuring charges, net	0	59,000	192,000
Cash payments	0	(103,000)	(138,000)
Non-cash charges	0	0	0
Liability	10,000	10,000	54,000		10,000
Engineered Wire Products, Inc. [Member] | Equipment Relocation [Member]
Restructuring charges, net	268,000	45,000	0
Cash payments	(222,000)	(17,000)	0
Non-cash charges	0	0	0
Liability	74,000	28,000	0		74,000
Engineered Wire Products, Inc. [Member] | Facility Closing [Member]
Restructuring charges, net	105,000	123,000	212,000
Cash payments	(93,000)	(143,000)	(137,000)
Non-cash charges	0	0	0
Liability	67,000	55,000	75,000		67,000
Engineered Wire Products, Inc. [Member] | Asset Impairments [Member]
Restructuring charges, net	408,000	217,000	270,000
Cash payments	0	0	0
Non-cash charges	(408,000)	(217,000)	(270,000)
Liability	0	0	0		0
O'Brien Wire Products of Texas [Member]
Restructuring charges, net	62,000	218,000	22,000
Cash payments	(73,000)	(91,000)	(8,000)
Non-cash charges	0	(103,000)	(3,000)
Liability	24,000	35,000	11,000		24,000
O'Brien Wire Products of Texas [Member] | Equipment Relocation [Member]
Restructuring charges, net	(1,000)	33,000	0
Cash payments	(21,000)	(11,000)	0
Non-cash charges	0	0	0
Liability	0	22,000	0		0
O'Brien Wire Products of Texas [Member] | Facility Closing [Member]
Restructuring charges, net	63,000	82,000	19,000
Cash payments	(52,000)	(80,000)	(8,000)
Non-cash charges	0	0	0
Liability	24,000	13,000	11,000		24,000
O'Brien Wire Products of Texas [Member] | Asset Impairments [Member]
Restructuring charges, net	0	103,000	3,000
Cash payments	0	0	0
Non-cash charges	0	(103,000)	(3,000)
Liability	$ 0	$ 0	$ 0		$ 0