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Note 8 - Employee Benefit Plans - Recognized in Consolidated Balance Sheets (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Other long-term assets $ 1,734 $ 3,799
Other Noncurrent Liabilities [Member]    
Other long-term assets 2,313 4,690
Deferred Tax Liability [Member]    
Other long-term assets $ (579) $ (891)