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Note 5 - Receivables and Allowance for Credit Losses - Summary of Allowance for Doubtful Accounts (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Allowance - beginning of period $ 733 $ 519
Provision (Adjustment) for expected credit losses (13) 159
Amounts written off against the allowance (10) (14)
Recoveries 8 0
Allowance - end of period $ 718 $ 664