Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Statement [Abstract]
Revenues	$ 17,359	$ 31,505	$ 57,246	$ 78,354
Cost of revenues	12,746	16,624	37,254	37,272
Gross profit	4,613	14,881	19,992	41,082
Operating expenses:
General and administrative	9,673	9,250	29,442	22,516
Sales and marketing	9,695	13,072	31,049	26,759
Research and development	7,066	6,320	23,381	14,269
Total operating expenses	26,434	28,642	83,872	63,544
Operating loss	(21,821)	(13,761)	(63,880)	(22,462)
Other income (expense):
Interest expense, net	(419)	(477)	(847)	(1,378)
Interest expense from contingent beneficial conversion feature	0	(26,061)	0	(26,061)
Preferred stock warrant liability adjustment	0	0	0	(5,578)
Common stock warrant liability adjustment	2,867	5,792	4,802	5,792
Gain on loan forgiveness	0	0	0	2,098
Other income (expense), net	6	66	115	(36)
Total other income (expense), net	2,454	(20,680)	4,070	(25,163)
Loss before income tax benefit (provision)	(19,367)	(34,441)	(59,810)	(47,625)
Income tax benefit (provision)	5	(15)	(28)	(22)
Net loss and comprehensive loss	(19,362)	(34,456)	(59,838)	(47,647)
Net loss and comprehensive loss	$ (19,362)	$ (34,456)	$ (59,838)	$ (47,647)
Net loss per share attributable to common stockholders, basic (in dollars per share)	$ (0.17)	$ (0.36)	$ (0.54)	$ (1.00)
Net loss per share attributable to common stockholders, diluted (in dollars per share)	$ (0.17)	$ (0.36)	$ (0.54)	$ (1.00)
Weighted-average number of shares outstanding used to compute net loss per share attributable to common stockholders, basic (in shares)	111,775,265	96,681,887	110,995,687	47,421,668
Weighted-average number of shares outstanding used to compute net loss per share attributable to common stockholders, diluted (in shares)	111,775,265	96,681,887	110,995,687	47,421,668