Segments - Revenue and expenses (Details) - USD ($) $ in Thousands		3 Months Ended	12 Months Ended
	Nov. 19, 2024	Dec. 31, 2024	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax			$ 81,672	$ 96,633
Less:
Cost of goods sold, excluding depreciation, amortization, and stock-based compensation			33,794	40,328
Stock-based compensation	$ 830	$ 73
Change in fair value of contingent consideration			(512)	1,636
Impairment			2,971
Interest expense			(10,429)	(8,761)
Interest income			2,506	3,489
Other expense, net			(566)	(343)
Provision for income taxes			146	40
Net Income (Loss)			(55,365)	(63,323)
Single reportable segment
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax			81,672	96,633
Less:
Cost of goods sold, excluding depreciation, amortization, and stock-based compensation			32,779	39,505
Operating expenses - compensation and benefits			46,779	60,895
Operating expenses - outside services			11,539	10,917
Other segment items			17,886	22,021
Depreciation and right-of-use amortization			4,801	5,508
Amortization of intangibles			2,853	3,382
Stock-based compensation			9,306	10,437
Change in fair value of contingent consideration			(512)	1,636
Impairment			2,971
Interest expense			10,429	8,761
Interest income			(2,506)	(3,489)
Other expense, net			566	343
Provision for income taxes			146	40
Net Income (Loss)			$ (55,365)	$ (63,323)