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Income Tax - Summary of Net Deferred Tax Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Deferred tax asset |  |
Net operating loss carryforward | $ 22,183 | $ 13,442
Research and development tax credits | 11,074 | 3,721
Capitalized research and development costs | 46,260 | 33,435
Stock-based compensation | 4,396 | 1,857
Accrued bonus | 1,090 | 1,924
Lease Liability | 1,165 | 953
Other | 0 | 26
Total deferred tax assets | 86,168 | 55,358
Deferred tax liabilities: |  |
Unrealized gain on marketable securities | 0 | 0
Right of use asset | (1,036) | (896)
Other | (9) | 0
Total deferred tax liabilities | (1,045) | (896)
Valuation allowance | (85,123) | (54,462)
Net deferred tax assets | $ 0 | $ 0

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