Income Taxes - Deferred income tax assets and liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Deferred tax assets:
Net operating loss	$ 30,446	$ 30,534
R&D credit	7,423	3,557
Stock compensation	2,909	3,333
Section 174 capitalization	22,759	9,406
ROU lease liability	2,061	2,332
Available-for-sale securities	(14)	125
Other	2,441	1,204
Total deferred tax asset	68,025	50,491
Valuation allowance	(64,744)	(44,109)
Net deferred tax assets:	3,281	6,382
Deferred tax liabilities:
Intangibles (non-goodwill)	(2)	(1)
Property, plant and equipment	(1,144)	(797)
Accretion	(307)	(3,351)
ROU asset	(1,828)	(2,233)
Total deferred tax liabilities	$ (3,281)	$ (6,382)