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Note 19 - Financial Instruments (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Derivatives Hedging Instruments $ 0 $ 0 $ 0 $ 0  
Fair Value, Inputs, Level 2 [Member]          
Long-Term Debt, Fair Value 262,000   262,000   $ 269,000
Forward Contracts [Member]          
Foreign Currency Contract, Asset, Fair Value Disclosure 0   0   0
Foreign Currency Contracts, Liability, Fair Value Disclosure 3,000   3,000   0
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member]          
Derivative Asset, Notional Amount $ 284,000   $ 284,000   $ 322,000