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Other Current Liabilities (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Other Current Liabilities |  |
Accrued R&D related costs | $ 4,903 | $ 2,645
Accrued professional fees | 2,117 | 1,011
Accrued employee bonuses | 1,024 | 3,752
Accrued payroll related costs | 585 | 191
Early exercise of unvested stock options | 175 | 206
Accrued taxes | 98 | 88
Other | 117 | 172
Total | $ 9,019 | $ 8,065

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