Consolidated Statements of Operations - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Total revenue	$ 15,216,000	$ 1,120,000
Operating expenses
Selling, general and administrative	40,176,000	18,511,000
Research and development	32,662,000	19,670,000
Cost of goods sold	1,335,000	0
Impairment of acquired contract intangible asset	3,724,000	74,156,000
Total operating expenses	77,897,000	112,337,000
Loss from operations	(62,681,000)	(111,217,000)
Other income (expense)
Change in fair value of convertible promissory notes	0	1,585,000
Gain upon extinguishment of debt	0	196,000
Interest income	2,398,000	13,000
Interest expense	(230,000)	(665,000)
Total other income, net	2,168,000	1,129,000
Loss before income tax expense	(60,513,000)	(110,088,000)
Income tax expense	0	(2,000)
Net loss	(60,513,000)	(110,090,000)
Cumulative dividends on convertible preferred stock	0	(647,000)
Net loss attributable to common shareholders, basic	(60,513,000)	(110,737,000)
Net loss attributable to common shareholders, diluted	$ (60,513,000)	$ (110,737,000)
Net loss per share attributable to common stockholders, basic (in dollars per share)	$ (2.69)	$ (12.41)
Net loss per share attributable to common stockholders, diluted (in dollars per share)	$ (2.69)	$ (12.41)
Weighted average number of common shares outstanding used in computing net loss per share attributable to common stockholders, basic (in shares)	22,511,237	8,923,369
Weighted average number of common shares outstanding used in computing net loss per share attributable to common stockholders, diluted (in shares)	22,511,237	8,923,369
Product sales, net
Total revenue	$ 15,216,000	$ 0
License revenue
Total revenue	0	1,000,000
Grant revenue
Total revenue	$ 0	$ 120,000