Note 7 - Leases (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Finance Lease, Interest Expense	$ 199	$ 241
Cost of Sales; Selling, General and Administrative Expense; and Other Income (Expense) [Member]
Operating Lease, Expense	1,600	1,800
Depreciation in Cost of Sales and Interest Expense [Member]
Finance Lease, Interest Expense	$ 1,200	$ 1,500