Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Net revenue:
Total net revenue	$ 64,224	$ 58,589	$ 122,238	$ 108,257
Cost of revenue:
Total cost of revenue	29,180	24,800	55,406	46,758
Gross profit	35,044	33,789	66,832	61,499
Operating expenses:
Sales and marketing	27,001	18,410	51,945	33,478
Research and development	6,859	4,850	13,358	8,962
General and administrative	11,248	8,461	24,750	15,826
Total operating expenses	45,108	31,721	90,053	58,266
(Loss) income from operations	(10,064)	2,068	(23,221)	3,233
Interest and other (expense) income, net:
Amortization of debt issuance costs	(298)	(215)	(517)	(267)
Interest on convertible notes	(1,149)	(778)	(1,927)	(969)
Other expense, net	(1,528)	(392)	(2,283)	(1,415)
Total interest and other (expense) income, net	(37,398)	5,800	(39,150)	4,534
(Loss) income before income taxes	(47,462)	7,868	(62,371)	7,767
Income tax (benefit) expense	(186)	122	47	380
Net (loss) income	$ (47,276)	$ 7,746	$ (62,418)	$ 7,387
Net (loss) income per share:
Basic (USD per share)	$ (2.53)	$ 0.43	$ (3.39)	$ 0.41
Diluted (USD per share)	$ (2.53)	$ 0.39	$ (3.39)	$ 0.40
Weighted-average number of shares used in per share calculations:
Basic (in shares)	18,700	17,862	18,392	17,815
Diluted (in shares)	18,700	22,453	18,392	20,855
Convertible notes
Interest and other (expense) income, net:
Gain (loss) on extinguishment of debt	$ (34,423)	$ 0	$ (34,423)	$ 0
PPP Loan
Interest and other (expense) income, net:
Gain (loss) on extinguishment of debt	0	7,185	0	7,185
Total product revenue
Net revenue:
Total net revenue	58,589	51,812	110,655	95,363
Cost of revenue:
Total cost of revenue	25,899	20,893	48,811	39,224
Service
Net revenue:
Total net revenue	5,635	6,777	11,583	12,894
Cost of revenue:
Total cost of revenue	$ 3,281	$ 3,907	$ 6,595	$ 7,534