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Note 15 - Commitments and Contingencies - Allowance of Doubtful Accounts (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Balance at beginning of period $ 47 $ 473
Write-offs (8) (432)
Other adjustments (10) (2)
Balance at end of period $ 29 $ 39