Note 18 - Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Operating lease right-of-use assets	$ 20,481	$ 21,551
Operating lease liability, current	6,350	5,870
Operating lease liability, long-term	14,212	15,742
Total operating lease liabilities	20,562	21,612
Property, plant and equipment, gross	115,728	145,224
Accumulated depreciation	(79,195)	(108,391)
Property, plant and equipment, net	36,533	36,833
Total finance lease liabilities	1,912
Other Liabilities [Member]
Total operating lease liabilities	20,562
Other current liabilities	485	446
Other long-term liabilities	1,539	1,608
Total finance lease liabilities	2,024	2,054
Assets under Finance Lease [Member]
Property, plant and equipment, gross	3,484	3,096
Accumulated depreciation	(1,613)	(1,089)
Property, plant and equipment, net	$ 1,871	$ 2,007