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Fair Value of Financial Instruments - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Details) - USD ($)
$ in Thousands
Sep. 30, 2024
Dec. 31, 2023
Fair Value, Recurring    
Assets    
Short-term investments: $ 107,045 $ 139,158
Total financial assets 124,088 149,501
Liabilities    
Warrant liabilities 38 229
Total financial liabilities 38 229
Fair Value, Recurring | Commercial paper    
Assets    
Short-term investments: 53,832 80,620
Fair Value, Recurring | Corporate debt and U.S. government agency securities    
Assets    
Short-term investments: 53,213 58,538
Fair Value, Recurring | Level 1    
Assets    
Short-term investments: 0 0
Total financial assets 17,043 7,354
Liabilities    
Warrant liabilities 0 0
Total financial liabilities 0 0
Fair Value, Recurring | Level 1 | Commercial paper    
Assets    
Short-term investments: 0 0
Fair Value, Recurring | Level 1 | Corporate debt and U.S. government agency securities    
Assets    
Short-term investments: 0 0
Fair Value, Recurring | Level 2    
Assets    
Short-term investments: 107,045 139,158
Total financial assets 107,045 142,147
Liabilities    
Warrant liabilities 0 0
Total financial liabilities 0 0
Fair Value, Recurring | Level 2 | Commercial paper    
Assets    
Short-term investments: 53,832 80,620
Fair Value, Recurring | Level 2 | Corporate debt and U.S. government agency securities    
Assets    
Short-term investments: 53,213 58,538
Fair Value, Recurring | Level 3    
Assets    
Short-term investments: 0 0
Total financial assets 0 0
Liabilities    
Warrant liabilities 38 229
Total financial liabilities 38 229
Fair Value, Recurring | Level 3 | Commercial paper    
Assets    
Short-term investments: 0 0
Fair Value, Recurring | Level 3 | Corporate debt and U.S. government agency securities    
Assets    
Short-term investments: 0
Money market funds    
Assets    
Cash and cash equivalents: 17,043 7,354
Money market funds | Fair Value, Recurring    
Assets    
Cash and cash equivalents: 17,043 7,354
Money market funds | Fair Value, Recurring | Level 1    
Assets    
Cash and cash equivalents: 17,043 7,354
Money market funds | Fair Value, Recurring | Level 2    
Assets    
Cash and cash equivalents: 0 0
Money market funds | Fair Value, Recurring | Level 3    
Assets    
Cash and cash equivalents: 0 0
Commercial paper    
Assets    
Cash and cash equivalents: $ 0 2,989
Commercial paper | Fair Value, Recurring    
Assets    
Cash and cash equivalents:   2,989
Commercial paper | Fair Value, Recurring | Level 1    
Assets    
Cash and cash equivalents:   0
Commercial paper | Fair Value, Recurring | Level 2    
Assets    
Cash and cash equivalents:   2,989
Commercial paper | Fair Value, Recurring | Level 3    
Assets    
Cash and cash equivalents:   $ 0