Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenue:
Total revenue	$ 1,362	$ 0
Operating expenses:
Research and development	16,978	11,855
General and administrative	8,825	6,354
Total operating expenses	25,803	18,209
Loss from operations	(24,441)	(18,209)
Other income (expense):
Interest income	35	22
Other income (expense), net	(30)	(31)
Total other income (expense)	5	(9)
Net loss	$ (24,436)	$ (18,218)
Net loss per share, basic and diluted	$ (0.37)	$ (0.28)
Weighted-average common shares outstanding, basic and diluted	65,996,161	65,604,336
Development Fee [Member]
Revenue:
Total revenue	$ 1,362	$ 0