Income Taxes - Deferred Income Taxes (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Deferred tax assets:
State net operating loss carryforwards	$ 44	$ 52
Foreign net operating loss carryforwards	131	122
Federal tax credit carryforwards	3,491	3,378
State tax credit carryforwards	12,510	11,357
Property, plant and equipment	3,242	4,896
Operating lease liability	5,095	5,504
Accrued compensation	152	313
Inventories		552
Stock compensation	2,089	2,399
Warranty	2,032	2,666
Deferred revenue	7,523	6,562
Transaction Costs	3,103
Capitalized research and development costs	61,699	54,673
Other	2,851
Gross deferred tax assets	103,962	92,474
Valuation allowance	(16,001)	(14,736)
Net deferred tax assets	87,961	77,738
Deferred tax liabilities:
Inventories	(641)
Right-of-use asset	(8,013)	(8,750)
Other	(945)	(711)
Gross deferred tax liabilities	(9,599)	(9,461)
Deferred taxes, net	$ 78,362	$ 68,277