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Note 5 - Long-term Debt, Net - Long-term Debt (Details) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Long-term debt $ 30,981 $ 30,488
Less: Current portion of long-term debt (30,981) (5,000)
Long-term debt, net (non-current) 0 25,488
New Credit Facility Term Loan [Member]    
Long-term debt 28,981 30,488
Notes Payable to Banks [Member]    
Long-term debt $ 2,000 $ 0