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CONDENSED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenues:
License fees and royalties	$ 107	$ 43	$ 244	$ 95
Operating expenses:
Research and development	21,937	10,845	43,050	21,647
General and administrative	7,059	5,960	14,537	12,080
Total operating expenses	28,996	16,805	57,587	33,727
Loss from operations	(28,889)	(16,762)	(57,343)	(33,632)
Interest income	136	475	309	1,229
Interest expense	(804)		(1,547)
Change in fair value of equity investment		422		227
Other income and (expense), net	(17)	41	1,183	(3)
Net loss	$ (29,574)	$ (15,824)	$ (57,398)	$ (32,179)
Basic and diluted net loss per share	$ (0.09)	$ (0.06)	$ (0.18)	$ (0.14)
Shares used in computing basic and diluted net loss per share	327,026,907	246,966,143	325,342,161	223,594,118

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