Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenue:
Total revenue	$ 625	$ 13,696	$ 1,987	$ 13,696
Operating expenses:
Research and development	15,373	13,579	32,351	25,434
General and administrative	7,675	6,822	16,500	13,176
Total operating expenses	23,048	20,401	48,851	38,610
Loss from operations	(22,423)	(6,705)	(46,864)	(24,914)
Other income (expense):
Interest income	104	19	139	41
Other income (expense), net	5	(52)	1	(83)
Total other income (expense)	109	(33)	140	(42)
Loss before income tax expense	(22,314)	(6,738)	(46,724)	(24,956)
Income tax expense	(9)	(92)	(35)	(92)
Net loss	$ (22,323)	$ (6,830)	$ (46,759)	$ (25,048)
Net loss per share, basic	$ (0.27)	$ (0.10)	$ (0.63)	$ (0.38)
Weighted-average common shares outstanding, basic	82,209,032	65,631,906	73,650,146	65,618,207
Net loss per share, diluted	$ (0.27)	$ (0.10)	$ (0.63)	$ (0.38)
Weighted-average common shares outstanding, diluted	82,209,032	65,631,906	73,650,146	65,618,207
License [Member]
Revenue:
Total revenue		$ 12,000		$ 12,000
Development Fee [Member]
Revenue:
Total revenue	$ 625	$ 1,696	$ 1,987	$ 1,696