Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Statement [Abstract]
Revenue recognized	$ 2,557	$ 0	$ 0
Costs and operating expenses:
Cost of revenue	797	0	0
Research and development	81,643	72,017	61,058
Selling, general and administrative	61,518	35,505	27,020
Gain on sale of non-financial assets	(105,000)	0	0
Total operating expenses	38,958	107,522	87,569
Loss from operations	(36,401)	(107,522)	(87,569)
Other (expense) income, net:
Interest income	5,769	4,582	219
Interest expense	(8,768)	(5,777)	(3,993)
Change in fair value of warrant and derivative liabilities	1,928	7,074	1,701
Other income (expense), net	332	554	(4,197)
Total other (expense) income, net	(739)	6,433	(6,270)
Other (expense) income, net:	(37,140)	(101,089)	(93,839)
Provision for income taxes	310	78	28
Net loss	(37,450)	(101,167)	(93,867)
Deemed dividend on Class B Warrant price reset	0	0	(2,546)
Net loss attributable to common stockholders	$ (37,450)	$ (101,167)	$ (96,413)
Net loss per share attributable to common stockholders - basic (in dollars per share)	$ (0.19)	$ (0.57)	$ (1.52)
Net loss per share attributable to common stockholders - diluted (in dollars per share)	$ (0.19)	$ (0.57)	$ (1.52)
Weighted average shares of common stock outstanding - basic (in shares)	201,062,211	177,812,480	63,525,845
Weighted average shares of common stock outstanding - diluted (in shares)	201,062,211	177,812,480	63,525,845
Change in unrealized losses on marketable securities	$ (3)	$ 0	$ 0
Total comprehensive loss	$ (37,453)	$ (101,167)	$ (93,867)