CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenues:
Total revenues	$ 31,334	$ 26,646	$ 90,819	$ 79,698
Costs of goods sold and services:
Total costs of goods sold and services	13,551	15,702	36,972	45,484
Gross profit	17,783	10,944	53,847	34,214
Operating expenses:
Research and development	7,200	6,631	17,866	20,290
Selling, general, and administrative	23,595	19,966	66,069	72,723
Other lease costs	758	609	2,696	609
Impairment and restructuring		20,341	(33)	20,341
Total operating expenses	31,553	47,547	86,598	113,963
Loss from operations	(13,770)	(36,603)	(32,751)	(79,749)
Interest income, net	4,185	1,712	11,520	2,316
Other income (expense), net	2,030	(101)	1,884	(676)
Loss before income taxes	(7,555)	(34,992)	(19,347)	(78,109)
Income tax expense	(203)	(72)	(578)	(10)
Net loss	$ (7,758)	$ (35,064)	$ (19,925)	$ (78,119)
Net loss per common share, basic (in dollars per share)	$ (0.21)	$ (0.95)	$ (0.53)	$ (2.12)
Net loss per common share, diluted (in dollars per share)	$ (0.21)	$ (0.95)	$ (0.53)	$ (2.12)
Weighted-average common shares outstanding, basic (in shares)	37,657	37,005	37,494	36,927
Weighted-average common shares outstanding, diluted (in shares)	37,657	37,005	37,494	36,927
Product revenue
Revenues:
Total revenues	$ 19,660	$ 17,693	$ 58,639	$ 53,134
Costs of goods sold and services:
Total costs of goods sold and services	8,342	10,511	22,611	31,178
Service revenue
Revenues:
Total revenues	10,938	8,370	30,069	25,728
Service revenue.
Costs of goods sold and services:
Total costs of goods sold and services	5,209	5,191	14,361	14,306
Collaboration and license revenue
Revenues:
Total revenues	237	301	1,234	479
Grant revenue
Revenues:
Total revenues	$ 499	$ 282	$ 877	$ 357