Note 1 - Summary of Significant Accounting Policies - Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Dec. 28, 2024	Dec. 30, 2023
Property, plant and equipment	$ 159,441	$ 155,809
Less accumulated depreciation and amortization	(84,655)	(86,724)
Property, plant and equipment, net	74,786	69,085
Land and Land Improvements [Member]
Property, plant and equipment	6,941	7,301
Building and Building Improvements [Member]
Property, plant and equipment	47,733	39,677
Machinery and Equipment [Member]
Property, plant and equipment	$ 104,767	$ 108,831