Note 4 - Property, Plant and Equipment, Net - Schedule of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Leasehold improvements	$ 741	$ 704
Machinery and equipment	19,528	18,977
Gross Property, Plant, and Equipment	20,269	19,681
Less accumulated depreciation and amortization	(16,099)	(14,770)
Property, plant and equipment, net	$ 4,170	$ 4,911

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 additions or improvements to assets held under a lease arrangement.

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