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Note 3 - Trade Accounts Receivable - Changes in Allowance for Doubtful Accounts (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Balance $ 7,717 $ 5,381 $ 4,526
Provision for bad debts 3,074 2,396 917
Charge-offs (4,155) (60) (62)
Recoveries 0 0 0
Balance $ 6,636 $ 7,717 $ 5,381