Note 8 - Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Tax Expense (Benefit), Total	$ (2,311)	$ (840)	$ (801)	$ 1,910
Effective Income Tax Rate Reconciliation, Percent, Total	8.00%	15.20%	3.60%	10.20%
Nondeductible Portion Of Goodwill Impairment			$ 20,300
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability				$ 1,800
Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-Based Payment Arrangement, Amount				800
Income Tax Expense Related to Termination of Defined Benefit Plan				$ 600