Note 1 - Summary of Significant Accounting Policies - Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Dec. 30, 2023	Dec. 31, 2022
Property, plant and equipment	$ 155,809	$ 143,336
Less accumulated depreciation and amortization	(86,724)	(78,325)
Property, plant and equipment, net	69,085	65,011
Land and Land Improvements [Member]
Property, plant and equipment	7,301	7,066
Building and Building Improvements [Member]
Property, plant and equipment	39,677	31,161
Machinery and Equipment [Member]
Property, plant and equipment	$ 108,831	$ 105,109