Note 8 - Debt and Credit Agreements - Outstanding Debt Balances (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Less: Current portion	$ (18,089)	$ (1,170)
Long-term debt, net of current maturities	6,863	7,141
Line of Credit [Member]
Long-term debt	16,945	0
Notes Payable, Other Payables [Member]
Long-term debt	1,060	1,094
Less: Current portion	(62)	(88)
Long-Term Debt [Member]
Long-term debt	$ 6,947	$ 7,217