CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (UNAUDITED) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Statement of Comprehensive Income [Abstract]
Revenue	$ 1,202	$ 1,105	$ 2,741	$ 2,151
Operating expenses:
Cost of goods sold (exclusive of depreciation and amortization)	2,035	2,924	4,568	5,685
Research and development	4,824	4,110	8,862	8,780
Selling, general and administrative	10,233	8,108	20,753	16,554
Depreciation and amortization	1,350	1,295	2,802	2,613
Total operating expenses	18,442	16,437	36,985	33,632
Operating loss	(17,240)	(15,332)	(34,244)	(31,481)
Other income (expense):
Interest expense, net	(3,020)	(2,320)	(5,758)	(4,489)
Debt extinguishment loss			(14,434)
Change in fair value of warrants	(8,836)	(8,490)	(2,795)	(21,666)
Change in fair value of derivative liability	(30,658)		(55,181)
Other income (loss), net	(3,399)	1,820	(9,262)	1,748
Loss before income taxes	(63,153)	(24,322)	(121,674)	(55,888)
Provision for income taxes	(42)	(68)	(100)	(112)
Net loss	(63,195)	(24,390)	(121,774)	(56,000)
Foreign currency translation adjustment	2,149	(179)	3,141	(701)
Comprehensive loss	(61,046)	(24,569)	(118,633)	(56,701)
Net loss	(63,195)	(24,390)	(121,774)	(56,000)
Net loss attributable to common stockholders	$ (63,195)	$ (24,390)	$ (121,774)	$ (56,000)
Weighted average of shares outstanding – basic (in shares)	132,318	115,210	131,509	119,359
Weighted average of shares outstanding – diluted (in shares)	132,318	115,210	131,509	119,359
Net loss attributable to common stockholders per share - basic (in dollars per share)	$ (0.48)	$ (0.21)	$ (0.93)	$ (0.47)
Net loss attributable to common stockholders per share - diluted (in dollars per share)	$ (0.48)	$ (0.21)	$ (0.93)	$ (0.47)