Related Parties (Details)	1 Months Ended	12 Months Ended
Sep. 30, 2015 founder	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)
Related Parties
Research and development expense		$ 38,202,000	$ 38,817,000
Accounts payable		182,000	1,210,000
Stock-based compensation expense recorded		3,998,000	4,032,000
General and administrative		17,357,000	14,923,000
Related party \| Consulting Agreement with Founders
Related Parties
Number of founders \| founder	2
Accounts payable		0	0
Related party \| Consulting Agreement with Founders \| Maximum
Related Parties
Research and development expense		200,000	300,000
Stock-based compensation expense recorded		100,000	200,000
Related party \| Consulting Agreement with Executive Consultant
Related Parties
Accounts payable		0	0
Related party \| Consulting Agreement with Executive Consultant \| Maximum
Related Parties
Stock-based compensation expense recorded		100,000	200,000
General and administrative		$ 100,000	$ 100,000

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