Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Revenue:
Total revenue	$ 7,771	$ 8,662	$ 16,540	$ 16,077
Cost of revenue:
Total cost of revenue	5,186	6,354	11,132	11,700
Operating expenses:
Research and development	6,831	14,610	16,608	28,547
Selling, general and administrative	11,557	26,936	31,092	52,913
Restructuring costs	1,215	0	5,847	0
Total operating expenses	19,603	41,546	53,547	81,460
Loss from operations	(17,018)	(39,238)	(48,139)	(77,083)
Other income (expense):
Interest income	457	689	1,500	1,392
Other income (expense)	363	(330)	(998)	(288)
Total other income (expense)	820	359	502	1,104
Loss before income taxes	(16,198)	(38,879)	(47,637)	(75,979)
Benefit (provision) for income taxes	(26)	(33)	(9)	(59)
Net loss	$ (16,224)	$ (38,912)	$ (47,646)	$ (76,038)
Net loss per share, basic (in dollars per share)	$ (0.24)	$ (1.24)	$ (0.79)	$ (2.46)
Net loss per share, diluted (in dollars per share)	$ (0.24)	$ (1.24)	$ (0.79)	$ (2.46)
Weighted-average common shares outstanding, basic (in shares)	67,583	31,498	60,175	30,855
Weighted-average common shares outstanding, diluted (in shares)	67,583	31,498	60,175	30,855
Product revenue
Revenue:
Total revenue	$ 6,510	$ 6,609	$ 13,338	$ 12,056
Cost of revenue:
Total cost of revenue	4,703	4,752	9,607	8,610
Service and other revenue
Revenue:
Total revenue	1,261	2,053	3,202	4,021
Cost of revenue:
Total cost of revenue	$ 483	$ 1,602	$ 1,525	$ 3,090