Note 3 - Business Combination - Restructuring Activity (Details) - USD ($)	3 Months Ended			6 Months Ended
	Mar. 29, 2025	Dec. 28, 2024	Mar. 30, 2024	Mar. 29, 2025	Mar. 30, 2024
Restructuring charges, net	$ 662,000		$ 0	$ 1,358,000	$ 0
Engineered Wire Products, Inc. [Member]
Restructuring charges, net	444,000	$ 674,000
Cash payments	(263,000)	(275,000)
Non-cash charges	(217,000)	(270,000)
Liability	93,000	129,000		93,000
Engineered Wire Products, Inc. [Member] | Employee Severance [Member]
Restructuring charges, net	59,000	192,000
Cash payments	(103,000)	(138,000)
Non-cash charges	0	0
Liability	10,000	54,000		10,000
Engineered Wire Products, Inc. [Member] | Equipment Relocation [Member]
Restructuring charges, net	45,000	0
Cash payments	(17,000)	0
Non-cash charges	0	0
Liability	28,000	0		28,000
Engineered Wire Products, Inc. [Member] | Facility Closing [Member]
Restructuring charges, net	123,000	212,000
Cash payments	(143,000)	(137,000)
Non-cash charges	0	0
Liability	55,000	75,000		55,000
Engineered Wire Products, Inc. [Member] | Asset Impairments [Member]
Restructuring charges, net	217,000	270,000
Cash payments	0	0
Non-cash charges	(217,000)	(270,000)
Liability	0	0		0
O'Brien Wire Products of Texas [Member]
Restructuring charges, net	218,000	22,000
Cash payments	(91,000)	(8,000)
Non-cash charges	(103,000)	(3,000)
Liability	35,000	11,000		35,000
O'Brien Wire Products of Texas [Member] | Equipment Relocation [Member]
Restructuring charges, net	33,000	0
Cash payments	(11,000)	0
Non-cash charges	0	0
Liability	22,000	0		22,000
O'Brien Wire Products of Texas [Member] | Facility Closing [Member]
Restructuring charges, net	82,000	19,000
Cash payments	(80,000)	(8,000)
Non-cash charges	0	0
Liability	13,000	11,000		13,000
O'Brien Wire Products of Texas [Member] | Asset Impairments [Member]
Restructuring charges, net	103,000	3,000
Cash payments	0	0
Non-cash charges	(103,000)	(3,000)
Liability	$ 0	$ 0		$ 0