Condensed Consolidated Statements of Comprehensive Loss - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenues:
Net product revenue	$ 148	$ 0	$ 438	$ 0
Royalties and other revenue	14	39	64	111
Total revenues	162	39	502	111
Operating expenses:
Cost of sales	7	0	15	0
Research and development, including stock-based compensation of $1,337, $939, $3,842 and $3,069, respectively	17,558	10,557	44,125	38,839
Selling, general and administrative, including stock-based compensation of $2,561, $1,709, $7,286, and $5,183, respectively	32,228	12,577	81,375	31,754
Total operating expenses	49,793	23,134	125,515	70,593
Loss from operations	(49,631)	(23,095)	(125,013)	(70,482)
Interest expense	(3,899)	(864)	(7,680)	(1,677)
Interest and other income, net	3,005	572	5,330	709
Net loss	$ (50,525)	$ (23,387)	$ (127,363)	$ (71,450)
Net loss per common share, basic	$ (0.21)	$ (0.13)	$ (0.60)	$ (0.45)
Net loss per common share, diluted	$ (0.21)	$ (0.13)	$ (0.60)	$ (0.45)
Shares used in computing net loss per common share, basic	244,925	174,904	213,112	157,984
Shares used in computing net loss per common share, diluted	244,925	174,904	213,112	157,984
Other comprehensive loss:
Unrealized (loss) gain on investments	$ (13)	$ (341)	$ 315	$ (481)
Comprehensive loss	$ (50,538)	$ (23,728)	$ (127,048)	$ (71,931)