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Note 7 - Debt - Key Equipment Finance Loan (Details)
$ in Thousands
12 Months Ended
Apr. 16, 2020
USD ($)
installment
Dec. 31, 2023
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2022
USD ($)
Debt        
Long-term Debt, Total     $ 92,416  
KeyBank National Association | Equipment loans        
Debt        
Aggregate principal amount $ 4,700      
Interest rate 7.45%      
Number of installments | installment 36      
Frequency of periodic payment monthly      
Long-term Debt, Total       $ 600
Repayment of outstanding principal balance   $ 600