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	$ 61,825	$ 64,224	$ 116,351	$ 122,238
Cost of revenue:
Total cost of revenue	35,742	29,180	68,636	55,406
Gross profit	26,083	35,044	47,715	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	18,191	11,248	30,444	24,750
Total operating expenses	57,246	45,108	105,479	90,053
Loss from operations	(31,163)	(10,064)	(57,764)	(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	(32,952)	(47,462)	(60,728)	(62,371)
Income tax expense (benefit)	326	(186)	598	47
Net loss	$ (33,278)	$ (47,276)	$ (61,326)	$ (62,418)
Net loss per share:
Basic (USD per share)	$ (1.68)	$ (2.53)	$ (3.09)	$ (3.39)
Diluted (USD per share)	$ (1.68)	$ (2.53)	$ (3.09)	$ (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	56,175	58,589	105,296	110,655
Cost of revenue:
Total cost of revenue	32,051	25,899	62,110	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