Note 8 - Property, Plant and Equipment, Net - Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property, plant and equipment, gross	$ 115,728	$ 145,224
Accumulated depreciation	(79,195)	(108,391)
Property, plant and equipment, net	36,533	36,833
Land [Member]
Property, plant and equipment, gross	348	1,098
Building and Building Improvements [Member]
Property, plant and equipment, gross	15,286	21,529
Machinery and Equipment [Member]
Property, plant and equipment, gross	98,527	118,358
Construction in Progress [Member]
Property, plant and equipment, gross	$ 1,567	$ 4,239