Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Income Statement [Abstract]
Revenue	$ 43,424	$ 31,054	$ 80,629	$ 57,897
Cost of revenue	10,646	7,215	19,910	14,635
Gross profit	32,778	23,839	60,719	43,262
Operating expenses:
Research and development	15,032	9,932	28,956	19,375
Selling, general and administrative	31,461	28,084	62,980	54,122
Total operating expenses	46,493	38,016	91,936	73,497
Loss from operations	(13,715)	(14,177)	(31,217)	(30,235)
Interest income	635	1,142	1,178	2,654
Interest expense	(6,621)	(6,075)	(11,714)	(12,318)
Change in fair value of common stock warrant liability	(863)	(3,906)	(2,469)	(3,905)
Change in fair value of derivative liability	11,538	(161)	2,493	(222)
Other income (expense), net	(111)	(82)	247	(237)
Loss before provision for income taxes	(9,137)	(23,259)	(41,482)	(44,263)
Provision for income taxes	(59)	(120)	(59)	(48)
Net loss	(9,196)	(23,379)	(41,541)	(44,311)
Comprehensive loss:
Net loss	(9,196)	(23,379)	(41,541)	(44,311)
Other comprehensive loss:
Foreign currency translation gain (loss)	291	(100)	55	(99)
Total comprehensive loss	$ (8,905)	$ (23,479)	$ (41,486)	$ (44,410)
Net loss per share, basic (in dollars per share)	$ (1.46)	$ (4.66)	$ (6.66)	$ (8.89)
Net loss per share, diluted (in dollars per share)	$ (1.46)	$ (4.66)	$ (6.66)	$ (8.89)
Weighted-average shares used to compute net loss per share, basic (in shares)	6,316,315	5,020,758	6,240,885	4,982,094
Weighted-average shares used to compute net loss per share, diluted (in shares)	6,316,315	5,020,758	6,240,885	4,982,094