Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Net revenue:
Total net revenue	$ 61,218	$ 64,224	$ 116,211	$ 122,238
Cost of revenue:
Total cost of revenue	33,164	29,180	63,230	55,406
Gross profit	28,054	35,044	52,981	66,832
Operating expenses:
Sales and marketing	33,271	27,001	62,783	51,945
Research and development	5,784	6,859	12,252	13,358
General and administrative	18,528	11,248	31,044	24,750
Total operating expenses	57,583	45,108	106,079	90,053
Loss from operations	(29,529)	(10,064)	(53,098)	(23,221)
Interest and other expense, net:
Amortization of debt issuance costs	(557)	(298)	(1,109)	(517)
Interest on convertible notes	(2,958)	(1,149)	(5,897)	(1,927)
Loss on extinguishment of convertible notes			0	(34,423)
Interest income	2,179	382	4,658	395
Other expense, net	(453)	(1,910)	(616)	(2,678)
Total interest and other expense, net	(1,789)	(37,398)	(2,964)	(39,150)
Loss before income taxes	(31,318)	(47,462)	(56,062)	(62,371)
Income tax expense (benefit)	326	(186)	598	47
Net loss	$ (31,644)	$ (47,276)	$ (56,660)	$ (62,418)
Net loss per share:
Basic (USD per share)	$ (1.59)	$ (2.53)	$ (2.86)	$ (3.39)
Diluted (USD per share)	$ (1.59)	$ (2.53)	$ (2.86)	$ (3.39)
Weighted-average number of shares used in per share calculation:
Basic (in shares)	19,858	18,700	19,819	18,392
Diluted (in shares)	19,858	18,700	19,819	18,392
Convertible notes
Interest and other expense, net:
Loss on extinguishment of convertible notes	$ 0	$ (34,423)	$ 0	$ (34,423)
Total product revenue
Net revenue:
Total net revenue	55,568	58,589	105,156	110,655
Cost of revenue:
Total cost of revenue	29,473	25,899	56,704	48,811
Service
Net revenue:
Total net revenue	5,650	5,635	11,055	11,583
Cost of revenue:
Total cost of revenue	$ 3,691	$ 3,281	$ 6,526	$ 6,595