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Fair Value of Assets and Liabilities - Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - Fair Value, Recurring - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Assets |  |
Financial assets | $ 130,281 | $ 24,063
Liability |  |
Financial liabilities | 127 | 83
Money Market Funds |  |
Assets |  |
Financial assets | 105,382 | 24,063
Commercial Paper |  |
Assets |  |
Financial assets | 11,877 |
Corporate Bonds |  |
Assets |  |
Financial assets | 7,041 |
U.S. Government Agencies |  |
Assets |  |
Financial assets | 5,981 |
Warrant Liability |  |
Liability |  |
Financial liabilities | 127 | 83
Level 1 |  |
Assets |  |
Financial assets | 105,382 | 24,063
Level 1 | Money Market Funds |  |
Assets |  |
Financial assets | 105,382 | 24,063
Level 2 |  |
Assets |  |
Financial assets | 24,899 |
Level 2 | Commercial Paper |  |
Assets |  |
Financial assets | 11,877 |
Level 2 | Corporate Bonds |  |
Assets |  |
Financial assets | 7,041 |
Level 2 | U.S. Government Agencies |  |
Assets |  |
Financial assets | 5,981 |
Level 3 |  |
Liability |  |
Financial liabilities | 127 | 83
Level 3 | Warrant Liability |  |
Liability |  |
Financial liabilities | $ 127 | $ 83

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