Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Statement [Abstract]
Revenue	$ 58,370	$ 35,102	$ 156,262	$ 92,610
Cost of sales	21,459	16,228	62,835	42,816
Gross profit	36,911	18,874	93,427	49,794
Operating expenses:
Research and development	16,647	11,600	47,232	33,950
Selling, general and administrative	42,691	32,883	123,099	95,457
Total operating expenses	59,338	44,483	170,331	129,407
Loss from operations	(22,427)	(25,609)	(76,904)	(79,613)
Interest expense	(1,140)	(1,019)	(3,215)	(2,870)
Interest and other income, net	2,593	2,006	7,562	4,090
Net loss	$ (20,974)	$ (24,622)	$ (72,557)	$ (78,393)
Net loss per share, basic (in dollars per share)	$ (0.40)	$ (0.51)	$ (1.41)	$ (1.70)
Net loss per share, diluted (in dollars per share)	$ (0.40)	$ (0.51)	$ (1.41)	$ (1.70)
Weighted-average common shares used to compute net loss per share attributable to
Common shareholders, basic (in shares)	52,011	48,310	51,550	46,131
Common shareholders, diluted (in shares)	52,011	48,310	51,550	46,131
Other comprehensive gain (loss):
Unrealized loss on cash equivalents	$ (17)	$ 0	$ (102)	$ 0
Comprehensive loss	$ (20,991)	$ (24,622)	$ (72,659)	$ (78,393)