Note 19 - Contingencies and Commitments (Details Textual) - USD ($) $ in Thousands	Jul. 26, 2021	Dec. 31, 2021
Settlement Agreement [Member]
Litigation Settlement, Amount Awarded to Other Party	$ 1,300
Other Accrued Liabilities [Member] | Asbestos Litigation [Member]
Loss Contingency Accrual, Ending Balance		$ 129
Other Long Term Liabilities [Member] | Asbestos Litigation [Member]
Loss Contingency Accrual, Ending Balance		709
Other Current Assets [Member] | Asbestos Litigation [Member]
Loss Contingency, Receivable, Ending Balance		129
Other Assets [Member] | Asbestos Litigation [Member]
Loss Contingency, Receivable, Ending Balance		$ 709