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Note 10 - Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Total financial assets $ 5,177 $ 4,338
Foreign Exchange Forward [Member]    
Derivative assets 728 17
Foreign currency forward contracts (80) (661)
Interest Rate Swap [Member]    
Derivative assets 862  
Fair Value, Inputs, Level 1 [Member]    
Total financial assets 3,090 3,830
Fair Value, Inputs, Level 1 [Member] | Foreign Exchange Forward [Member]    
Derivative assets 0 0
Foreign currency forward contracts 0 0
Fair Value, Inputs, Level 1 [Member] | Interest Rate Swap [Member]    
Derivative assets 0  
Fair Value, Inputs, Level 2 [Member]    
Total financial assets 2,087 508
Fair Value, Inputs, Level 2 [Member] | Foreign Exchange Forward [Member]    
Derivative assets 728 17
Foreign currency forward contracts (80) (661)
Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap [Member]    
Derivative assets 862  
Fair Value, Inputs, Level 3 [Member]    
Total financial assets 0 0
Fair Value, Inputs, Level 3 [Member] | Foreign Exchange Forward [Member]    
Derivative assets 0 0
Foreign currency forward contracts 0 0
Fair Value, Inputs, Level 3 [Member] | Interest Rate Swap [Member]    
Derivative assets 0  
Pension Plan [Member]    
Deferred compensation plan 3,587 4,321
Pension Plan [Member] | Fair Value, Inputs, Level 1 [Member]    
Deferred compensation plan 3,090 3,830
Pension Plan [Member] | Fair Value, Inputs, Level 2 [Member]    
Deferred compensation plan 497 491
Pension Plan [Member] | Fair Value, Inputs, Level 3 [Member]    
Deferred compensation plan $ 0 $ 0