Income Taxes - Components of Net Deferred Income Tax Asset and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Net deferred income tax asset - Non-current
Warranty cost	$ 337	$ 381
Inventory reserve	1,050	1,676
Unearned service revenue	9,352	8,294
Employee stock options	1,610	5,102
Tax credits	8,016	6,133
Loss carryforwards	16,577	20,965
Depreciation	(128)
Depreciation		773
Other, net	3,039	0
Intangibles & goodwill	16,165	13,996
Lease liability	3,777	3,419
Total deferred tax assets	59,795	60,739
Valuation allowance	(48,603)	(46,515)
Total deferred tax assets net of valuation allowance	11,192	14,224
Net deferred income tax liability - Non-current
Other, net	0	(150)
Operating lease right-of-use asset	(3,120)	(2,433)
Total deferred tax liabilities	(3,120)	(2,583)
Net deferred tax assets	$ 8,072	$ 11,641