Fair Value of Financial Instruments - Summary of Financial Assets and Liability Measured at Fair Value (Details) - USD ($)	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023
Assets
Total assets	$ 15,303,000	$ 18,096,000	$ 0
Liabilities
Warrant derivative liabilities	7,962,000	8,457,000
Total liabilities	7,962,000	8,457,000	$ 0
Money market funds
Assets
Total assets	10,115,000	11,171,000
U.S. treasury bills
Assets
Total assets	2,973,000	5,942,000
Certificates of deposit
Assets
Total assets	1,226,000	983,000
U.S. government securities
Assets
Total assets	489,000
U.S. government agency bonds
Assets
Total assets	500,000
Level 1
Assets
Total assets	14,803,000	18,096,000
Level 1 | Money market funds
Assets
Total assets	10,115,000	11,171,000
Level 1 | U.S. treasury bills
Assets
Total assets	2,973,000	5,942,000
Level 1 | Certificates of deposit
Assets
Total assets	1,226,000	983,000
Level 1 | U.S. government securities
Assets
Total assets	489,000
Level 2
Assets
Total assets	500,000
Level 2 | U.S. government agency bonds
Assets
Total assets	500,000
Level 3
Liabilities
Warrant derivative liabilities	7,962,000	8,457,000
Total liabilities	$ 7,962,000	$ 8,457,000