CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Statement of Comprehensive Income [Abstract]
Revenue	$ 1,607	$ 1,027	$ 3,758	$ 2,657
Operating expenses:
Cost of goods sold (exclusive of depreciation and amortization)	2,585	3,232	8,270	9,397
Research and development	3,545	5,007	12,325	14,579
Selling, general and administrative	8,016	6,152	24,570	18,722
Depreciation and amortization	1,313	1,256	3,926	3,559
Total operating expenses	15,459	15,647	49,091	46,257
Operating loss	(13,852)	(14,620)	(45,333)	(43,600)
Other income (expense):
Interest expense, net	(2,217)	(1,740)	(6,706)	(1,614)
Change in fair value of warrants	2,143	(6,737)	(19,523)	(9,800)
Other income (loss), net	343	(99)	2,091	(166)
Loss before income taxes	(13,583)	(23,196)	(69,471)	(55,180)
Provision for income taxes	26	24	138	159
Net loss	(13,609)	(23,220)	(69,609)	(55,339)
Foreign currency translation adjustment	1,005	(670)	304	(218)
Comprehensive loss	(12,604)	(23,890)	(69,305)	(55,557)
Net loss	(13,609)	(23,220)	(69,609)	(55,339)
Net loss attributable to common stockholders	$ (13,609)	$ (23,220)	$ (69,609)	$ (55,339)
Weighted average of shares outstanding – basic (in shares)	126,429	108,045	118,978	107,504
Weighted average of shares outstanding – diluted (in shares)	126,429	108,045	118,978	107,504
Net loss attributable to common stockholders per share - basic (in dollars per share)	$ (0.11)	$ (0.21)	$ (0.59)	$ (0.51)
Net loss attributable to common stockholders per share - diluted (in dollars per share)	$ (0.11)	$ (0.21)	$ (0.59)	$ (0.51)