Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Statement [Abstract]
Revenue		$ 1,707	$ 1,371	$ 3,290	$ 3,083
Cost of revenue		1,002	620	2,164	1,235
Total gross profit		705	751	1,126	1,848
Operating expenses:
Research and development		9,548	7,456	20,463	14,260
General and administrative		9,576	3,959	20,872	7,606
Sales and marketing		2,488	1,739	5,388	3,339
Total operating expenses		21,612	13,154	46,723	25,205
Loss from operations		(20,907)	(12,403)	(45,597)	(23,357)
Other income (expense), net:
Interest expense		(781)	(1,479)	(1,235)	(2,262)
Change in fair value of warrant liabilities		(2,150)	0	(1,512)	0
Change in fair value of Term Loan		(345)	0	(345)	0
Term Loan debt issuance costs		(1,393)	0	(1,393)	0
Other income (expense), net		(322)	533	(424)	353
Total other income (expense), net		(4,991)	(946)	(4,909)	(1,909)
Net loss		$ (25,898)	$ (13,349)	$ (50,506)	$ (25,266)
Net loss per share, basic (in usd per share)		$ (0.20)	$ (0.11)	$ (0.40)	$ (0.20)
Net loss per share, diluted (in usd per share)		$ (0.20)	$ (0.11)	$ (0.40)	$ (0.20)
Weighted-average shares used in computing net loss per share, basic (in shares)	[1]	127,337,903	125,472,590	125,252,585	125,428,749
Weighted-average shares used in computing net loss per share, diluted (in shares)	[1]	127,337,903	125,472,590	125,252,585	125,428,749
Comprehensive loss:
Net loss		$ (25,898)	$ (13,349)	$ (50,506)	$ (25,266)
Foreign currency translation adjustment, net of tax		(66)	32	(85)	(38)
Net comprehensive loss		$ (25,964)	$ (13,317)	$ (50,591)	$ (25,304)

[1] Weighted-average shares for the three and six months ended June 30, 2022 have been retroactively restated to give effect to the Merger.