Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Income Statement [Abstract]
Revenue	$ 46,276	$ 32,934	$ 126,904	$ 90,831
Cost of revenue	10,861	7,997	30,770	22,632
Gross profit	35,415	24,937	96,134	68,199
Operating expenses:
Research and development	17,297	11,863	46,253	31,238
Selling, general and administrative	33,217	28,003	96,197	82,125
Total operating expenses	50,514	39,866	142,450	113,363
Loss from operations	(15,099)	(14,929)	(46,316)	(45,164)
Interest income	1,725	820	2,903	3,474
Interest expense	(3,451)	(5,298)	(15,165)	(17,616)
Change in fair value of common stock warrant liability	(32,117)	(585)	(34,586)	(4,490)
Change in fair value of derivative liability	4,818	0	7,311	(222)
Loss on extinguishment of debt	(6,360)	0	(6,360)	0
Other income (expense), net	(341)	852	(94)	615
Loss before provision for income taxes	(50,825)	(19,140)	(92,307)	(63,403)
Provision for income taxes	(30)	0	(89)	(48)
Net loss	(50,855)	(19,140)	(92,396)	(63,451)
Comprehensive loss:
Net loss	(50,855)	(19,140)	(92,396)	(63,451)
Other comprehensive loss:
Foreign currency translation gain (loss)	205	(405)	260	(504)
Total comprehensive loss	$ (50,650)	$ (19,545)	$ (92,136)	$ (63,955)
Net loss per share, basic (in dollars per share)	$ (1.04)	$ (3.43)	$ (4.47)	$ (12.24)
Net loss per share, diluted (in dollars per share)	$ (1.04)	$ (3.43)	$ (4.47)	$ (12.24)
Weighted-average shares used to compute net loss per share, basic (in shares)	49,106,752	5,586,424	20,686,526	5,185,007
Weighted-average shares used to compute net loss per share, diluted (in shares)	49,106,752	5,586,424	20,686,526	5,185,007