Unaudited Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Total product, rental, and service revenue	$ 31,727	$ 37,703
Costs and operating expenses:
General and administrative	12,934	14,842
Sales and marketing	5,070	6,471
Research and development	3,534	4,152
Intangible asset amortization	914	1,459
Acquisition costs	237	0
Change in fair value of contingent consideration	0	720
Total operating expenses	41,855	51,308
Operating loss	(10,128)	(13,605)
Other income (expense):
Interest expense, net	(207)	(411)
Other income	245	394
Total other income (expense), net	38	(17)
Loss before income tax expense	(10,090)	(13,622)
Income tax expense	(131)	(92)
Net loss	(10,221)	(13,714)
Net loss attributable to common shareholders:
Basic	(10,221)	(13,714)
Diluted	$ (10,221)	$ (13,714)
Net loss per share attributable to common shareholders:
Basic (in dollars per share)	$ (0.22)	$ (0.32)
Diluted (in dollars per share)	$ (0.22)	$ (0.32)
Weighted average shares used to compute loss per share attributable to common shareholders:
Basic (in shares)	45,432,426	43,027,612
Diluted (in shares)	45,432,426	43,027,612
Product revenue
Total product, rental, and service revenue	$ 24,803	$ 31,593
Costs and operating expenses:
Cost of goods and services sold (exclusive of intangible assets amortization)	14,384	18,397
Service revenue
Total product, rental, and service revenue	5,088	4,471
Costs and operating expenses:
Cost of goods and services sold (exclusive of intangible assets amortization)	3,519	3,891
Rental revenue
Total product, rental, and service revenue	1,836	1,639
Costs and operating expenses:
Cost of goods and services sold (exclusive of intangible assets amortization)	$ 1,263	$ 1,376