Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Condensed Consolidated Statements of Operations and Comprehensive Loss [Abstract]
Revenue	$ 176,034	$ 125,808	$ 87,174
Cost of revenue	40,837	31,359	29,123
Gross profit	135,197	94,449	58,051
Operating expenses:
Research and development	64,918	43,517	35,854
Selling, general and administrative	134,345	112,154	95,111
Total operating expenses	199,263	155,671	130,965
Loss from operations	(64,066)	(61,222)	(72,914)
Interest income	5,538	4,066	5,457
Interest expense	(15,173)	(22,768)	(24,694)
Change in fair value of common stock warrant liability	(43,894)	(16,395)	(2,320)
Change in fair value of derivative liability	7,311	(222)	4,158
Change in fair value of convertible note			(5,120)
Loss on extinguishment of debt	(6,360)
Other income (expense), net	(223)	168	325
Loss before provision for income taxes	(116,867)	(96,373)	(95,108)
(Provision for) benefit from income taxes	76	(53)	(547)
Net loss	(116,791)	(96,426)	(95,655)
Cumulative dividends on Series C redeemable convertible preferred stock			(1,239)
Deemed dividend upon down round of redeemable convertible preferred stock			(26,794)
Net loss attributable to common stockholders	(116,791)	(96,426)	(123,688)
Comprehensive loss:
Net loss	(116,791)	(96,426)	(95,655)
Other comprehensive income (loss):
Foreign currency translation gain (loss)	191	(271)	(504)
Unrealized gain on investments, net	156
Total other comprehensive income (loss)	347	(271)	(504)
Total comprehensive loss	$ (116,444)	$ (96,697)	$ (96,159)
Net loss per share attributable to common stockholders, basic	$ (3.17)	$ (17.98)	$ (25.32)
Net loss per share attributable to common stockholders, diluted	$ (3.17)	$ (17.98)	$ (25.32)
Weighted-average shares used to compute net loss per share attributable to common stockholders, basic	36,853,867	5,363,435	4,885,231
Weighted-average shares used to compute net loss per share attributable to common stockholders, diluted	36,853,867	5,363,435	4,885,231