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Accrued expenses and other current liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
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Investments, Debt and Equity Securities [Abstract] |  |
Accrued expenses | $ 6,909 | $ 3,128
Accrued taxes | 562 | 975
Accrued compensation | 3,800 | 5,080
Deferred revenue, current | 661 | 548
Other | 0 | 51
Total accrued expenses and other current liabilities | $ 11,932 | $ 9,782

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