Consolidated Statements of Operations and Comprehensive Loss - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Total revenue	$ 24,354,000	$ 15,216,000
Operating expenses
Selling, general and administrative	44,549,000	40,176,000
Research and development	48,929,000	32,662,000
Cost of goods sold	2,809,000	1,335,000
Impairment of acquired contract intangible asset	0	3,724,000
Total operating expenses	96,287,000	77,897,000
Loss from operations	(71,933,000)	(62,681,000)
Other income (expense)
Foreign exchange loss	(1,000)	0
Interest income	6,400,000	2,398,000
Interest expense	(231,000)	(230,000)
Total other income, net	6,168,000	2,168,000
Loss before income tax expense	(65,765,000)	(60,513,000)
Income tax expense	0	0
Net loss	(65,765,000)	(60,513,000)
Other comprehensive income (loss):
Unrealized income (loss) on available-for-sale debt securities	142,000	(115,000)
Comprehensive loss	$ (65,623,000)	$ (60,628,000)
Net loss per share, basic (in dollars per share)	$ (2.44)	$ (2.69)
Net loss per share, diluted (in dollars per share)	$ (2.44)	$ (2.69)
Weighted average number of common shares outstanding, basic (in shares)	26,917,967	22,511,237
Weighted average number of common shares outstanding, diluted (in shares)	26,917,967	22,511,237
Product sales, net
Total revenue	$ 24,354,000	$ 15,216,000