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Note 13 - Equity Method Investments (Details Textual) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Equity Method Investments $ 2,562 $ 2,811
Sunrise Energy, LLC [Member]    
Equity Method Investment, Ownership Percentage 50.00%  
Equity Method Investments $ 2,600 $ 2,800