Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Revenue	$ 737	$ 505	$ 1,180	$ 1,368
Cost of revenue	915	597	1,776	1,404
Gross margin	(178)	(92)	(596)	(36)
Operating expenses:
Research and development	10,728	12,624	22,222	24,854
Selling, general and administrative	11,898	14,887	26,834	28,091
Total operating expenses	22,626	27,511	49,056	52,945
Loss from operations	(22,804)	(27,603)	(49,652)	(52,981)
Other income (expense):
Interest income	1,836	2,295	3,944	4,299
Interest expense	(286)	(270)	(570)	(529)
Total other income	1,550	2,025	3,374	3,770
Net loss	$ (21,254)	$ (25,578)	$ (46,278)	$ (49,211)
Basic and diluted net loss per share, Basic	$ (8.57)	$ (10.58)	$ (18.72)	$ (20.44)
Basic and diluted net loss per share, Diluted	$ (8.57)	$ (10.58)	$ (18.72)	$ (20.44)
Weighted Average Number of Shares Outstanding, Basic	2,480,665	2,417,001	2,472,353	2,407,276
Weighted Average Number of Shares Outstanding, Diluted	2,480,665	2,417,001	2,472,353	2,407,276