CONDENSED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenues:
Total revenues	$ 22,333	$ 2,526	$ 33,702	$ 2,994
Cost of goods sold:
Total cost of goods sold	3,489	138	5,026	223
Operating expenses:
Research and development	8,282	9,741	17,375	18,592
Selling, general and administrative	27,186	18,862	53,989	38,201
Total operating expenses	35,468	28,603	71,364	56,793
Loss from operations	(16,624)	(26,215)	(42,688)	(54,022)
Interest expense	(1,075)	(777)	(2,103)	(1,523)
Non-cash interest expense related to the sale of future royalties	(968)	(10)	(1,937)	(10)
Other income, net	1,546	70	2,848	554
Loss before provision for income taxes	(17,121)	(26,932)	(43,880)	(55,001)
Provision for income taxes	0	6	14	8
Net loss	$ (17,121)	$ (26,938)	$ (43,894)	$ (55,009)
Net loss per common stock - basic (in dollars per share)	$ (0.08)	$ (0.19)	$ (0.21)	$ (0.40)
Net loss per common stock - diluted (in dollars per share)	$ (0.08)	$ (0.19)	$ (0.21)	$ (0.40)
Shares used in computing net loss per share - basic (in shares)	214,951,127	145,544,372	211,009,029	138,279,945
Shares used in computing net loss per share - diluted (in shares)	214,951,127	145,544,372	211,009,029	138,279,945
Comprehensive loss:
Net loss	$ (17,121)	$ (26,938)	$ (43,894)	$ (55,009)
Unrealized losses on available-for-sale securities	(190)	(21)	(156)	(103)
Comprehensive loss	(17,311)	(26,959)	(44,050)	(55,112)
Product sales, net
Revenues:
Total revenues	18,309	1,564	29,664	2,014
Cost of goods sold:
Total cost of goods sold	492	44	864	57
Product supply revenue
Revenues:
Total revenues	3,260	952	3,262	966
Licensing revenue
Revenues:
Total revenues	764	10	776	14
Other cost of revenue
Cost of goods sold:
Total cost of goods sold	$ 2,997	$ 94	$ 4,162	$ 166