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Note 2 - Summary of Significant Accounting Policies - Summary of Allowance for Credit Losses (Details) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Allowance for doubtful accounts as of beginning of period $ 3,237 $ 1,794 $ 1,794 $ 0  
Bad debt expense 80 1,736 1,736 1,794 $ 0
Write-offs     0 0  
Foreign exchange and other     (293) 0  
Allowance for doubtful accounts as of end of period $ 3,317 $ 3,530 $ 3,237 $ 1,794 $ 0