Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Total product, service, and rental revenue	$ 143,271	$ 161,759	$ 119,156
Costs and operating expenses:
General and administrative	55,725	47,670	33,668
Sales and marketing	24,583	21,570	14,006
Research and development	18,796	14,798	11,821
Asset impairment charges	15,485	110,364	0
Intangible asset amortization	5,181	9,697	8,202
Acquisition costs	0	18	1,636
Change in fair value of contingent consideration	(2,193)	(4,754)	2,875
Total operating expenses	214,096	307,300	154,316
Operating loss	(70,825)	(145,541)	(35,160)
Other income:
Change in fair value of warrant liability	0	0	(121)
Change in fair value of investments	0	697	0
Interest expense, net	(1,812)	(687)	(485)
Other income	1,264	704	289
Gain on settlement of Global Cooling escrow	5,115	0	0
Gain on acquisition of Sexton Biotechnologies, Inc.	0	0	6,451
Total other income, net	4,567	714	6,134
Loss before income tax (expense) benefit	(66,258)	(144,827)	(29,026)
Income tax (expense) benefit	(169)	5,022	20,118
Net loss	(66,427)	(139,805)	(8,908)
Net loss attributable to common shareholders:
Net loss attributable to common shareholders, basic	(66,427)	(139,805)	(8,908)
Net loss attributable to common shareholders, diluted	$ (66,427)	$ (139,805)	$ (8,908)
Net loss per share attributable to common shareholders:
Basic (in dollars per share)	$ (1.52)	$ (3.29)	$ (0.23)
Diluted (in dollars per share)	$ (1.52)	$ (3.29)	$ (0.23)
Weighted average shares used to compute loss per share attributable to common shareholders:
Basic (in shares)	43,719,185	42,481,027	38,503,944
Diluted (in shares)	43,719,185	42,481,027	38,503,944
Product revenue
Total product, service, and rental revenue	$ 117,695	$ 136,000	$ 101,913
Costs and operating expenses:
Cost of revenue	75,751	88,519	69,676
Service revenue
Total product, service, and rental revenue	17,551	15,308	9,817
Costs and operating expenses:
Cost of revenue	15,586	12,360	5,381
Rental revenue
Total product, service, and rental revenue	8,025	10,451	7,426
Costs and operating expenses:
Cost of revenue	$ 5,182	$ 7,058	$ 7,051