Income Taxes - Significant Components of Company's Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Tax computed at the federal statutory rate	$ (9,540)	$ (8,703)
State tax, net of federal tax benefit	(517)	(645)
Permanent items	2	(2)
Stock based compensation	1,070	902
Research and development credits	(642)	(515)
Other	364	(126)
Valuation allowance increase (decrease)	9,263	9,089
Provision for income taxes	$ 0	$ 0
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Tax computed at the federal statutory rate	21.00%	21.00%
State tax, net of federal tax benefit	1.00%	2.00%
Permanent items	0.00%	0.00%
Stock based compensation	(2.00%)	(2.00%)
Research and development credits	1.00%	1.00%
Other	1.00%	0.00%
Valuation allowance increase (decrease)	(20.00%)	(22.00%)
Provision for income taxes	0.00%	0.00%

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