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Note 17 - Financial Instruments (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2023
Dec. 31, 2022
Derivatives Hedging Instruments $ 0 $ 0
Fair Value, Inputs, Level 2 [Member]    
Long-Term Debt, Fair Value 281,000 271,000
Forward Contracts [Member]    
Foreign Currency Contract, Asset, Fair Value Disclosure 0 1,000
Foreign Currency Contracts, Liability, Fair Value Disclosure 2,000 1,000
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member]    
Derivative Asset, Notional Amount $ 300,000 $ 308,000