Note 1 - Nature of Operations and Summary of Significant Accounting Policies - Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 25, 2021
Land	$ 1,306	$ 2,255
Buildings and leasehold improvements	27,406	24,175
Machinery and equipment	27,497	31,853
Total cost	56,209	58,283
Accumulated depreciation and amortization	(31,458)	(33,347)
Property, Plant and Equipment, Net	$ 24,751	$ 24,936

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.

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