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Note 8 - Trade Accounts Receivable - Summary of Trade Accounts Receivable (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Trade accounts receivable, current $ 7,156 $ 5,541
Trade accounts receivable, long-term 12 37
Allowance for doubtful accounts (114) (114)
Trade accounts receivable, net 7,054 5,464
Unpaid deferred revenue included in trade accounts receivable $ 1,964 $ 2,183