Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Total product, service, and rental revenue	$ 82,254	$ 75,855	$ 76,239
Costs and operating expenses:
General and administrative	40,541	43,264	33,255
Sales and marketing	9,610	12,709	11,672
Research and development	7,912	12,073	8,671
Intangible asset amortization	2,737	3,520	3,990
Change in fair value of contingent consideration	0	(2,193)	(4,754)
Total operating expenses	89,383	99,295	82,162
Operating loss	(7,129)	(23,440)	(5,923)
Other (expense) income:
Interest expense, net	(719)	(1,449)	(284)
Other income	497	1,303	662
Change in fair value of investments	(4,074)	0	697
Gain on settlement of Global Cooling escrow	0	5,115	0
Total other (expense) income, net	(4,296)	4,969	1,075
(Loss) income from continuing operations before income tax benefit	(11,425)	(18,471)	(4,848)
Income tax benefit	38	24	5,236
(Loss) income from continuing operations	(11,387)	(18,447)	388
Discontinued operations:
Loss from discontinued operations before income tax expense	(8,665)	(49,362)	(139,979)
Income tax expense	(132)	(193)	(214)
Loss from discontinued operations	(8,797)	(49,555)	(140,193)
Net loss	$ (20,184)	$ (68,002)	$ (139,805)
Loss per share - Basic:
Loss per share - Basic: Continuing operations (in dollars per share)	$ (0.25)	$ (0.42)	$ 0.01
Loss per share - Basic: Discontinuing operations (in dollars per share)	(0.19)	(1.13)	(3.30)
Loss per share - Basic: Net Loss (in dollars per share)	(0.44)	(1.55)	(3.29)
Loss per share - Diluted:
Loss per share - Diluted: Continuing operations (in dollars per share)	(0.25)	(0.42)	0.01
Loss per share - Diluted: Discontinuing operations (in dollars per share)	(0.19)	(1.13)	(3.26)
Loss per share - Diluted: Net Loss (in dollars per share)	$ (0.44)	$ (1.55)	$ (3.25)
Weighted average shares used to compute net loss per share attributable to common shareholders:
Basic (in shares)	46,067,073	43,719,185	42,481,027
Diluted (in shares)	46,067,073	43,719,185	43,073,473
Product revenue
Total product, service, and rental revenue	$ 76,028	$ 68,968	$ 71,943
Costs and operating expenses:
Cost of revenue (exclusive of intangible assets amortization)	24,502	26,557	24,970
Service revenue
Total product, service, and rental revenue	160	349	73
Costs and operating expenses:
Cost of revenue (exclusive of intangible assets amortization)	52	0	0
Rental revenue
Total product, service, and rental revenue	6,066	6,538	4,223
Costs and operating expenses:
Cost of revenue (exclusive of intangible assets amortization)	$ 4,029	$ 3,365	$ 4,358