Income Taxes - Reconciliation of Statutory to Effective Income Tax Rate (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Amount
U.S. federal statutory tax rate	$ 1,353
State income taxes, net of federal income tax effect	171
Changes in valuation allowances		$ 27,600	$ 27,300
Global intangible low-taxed income	(2,283)
Other	33
Research & development tax credits	(3,991)	(6,700)	(10,300)
Share-based compensation	2,999
Other	937
Changes to unrecognized tax benefits	22
Total income tax expense	$ 5,211	$ 1,054	$ 3,209
Percent
U.S. federal statutory tax rate	21.00%	21.00%	21.00%
State income taxes, net of federal income tax effect	2.70%	4.30%	3.80%
Statutory income tax rate differential		(4.00%)	(3.10%)
Changes in valuation allowances		(30.30%)	(25.20%)
Other		(0.50%)	0.20%
Global intangible low-taxed income	(35.40%)	(3.00%)	0.00%
Other	0.50%
Research & development tax credits	(61.90%)
Share-based compensation	46.50%	3.70%	(2.40%)
Other	14.50%	(1.00%)	(0.70%)
Changes to unrecognized tax benefits	0.30%	(1.50%)	(1.80%)
Foreign tax expense		0.10%	(0.40%)
Tax credits		7.30%	9.50%
Change in tax rate		0.80%	(0.90%)
Return to provision		3.30%	0.00%
Deferred adjustments		(1.40%)	(3.00%)
Effective tax rate	80.90%	(1.20%)	(3.00%)
Switzerland
Amount
Statutory income tax rate differential	$ (1,193)
Net operating loss expiration	2,185
Unrealized currency translation gain	1,873
Changes in valuation allowances	(5,039)
Other	$ 199
Percent
Statutory income tax rate differential	(18.50%)
Net operating loss expiration	33.90%
Unrealized currency translation gain	29.10%
Changes in valuation allowances	(78.20%)
Other	3.10%
Other
Amount
Statutory income tax rate differential	$ 2,008
Percent
Statutory income tax rate differential	31.20%
United States
Amount
Changes in valuation allowances	$ 5,937
Percent
Changes in valuation allowances	92.10%