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Note 4 - Long-Term Debt (Details Textual) - USD ($)
$ in Thousands
May 15, 2024
Mar. 31, 2024
Feb. 09, 2024
Dec. 31, 2023
Jul. 24, 2023
Jan. 20, 2023
Jul. 05, 2022
Line of Credit Facility, Maximum Borrowing Capacity     $ 85,000   $ 65,000 $ 60,000 $ 300,000
Line of Credit Facility, Secured Borrowing Base             $ 75,000
Revolving Credit Facility [Member]              
Line of Credit Facility, Maximum Borrowing Capacity       $ 65,000      
Long-Term Line of Credit $ 2,000 $ 4,000   $ 0      
Line of Credit Facility, Current Borrowing Capacity $ 83,000 $ 81,000