CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenue:
Collaboration revenue - related party	$ 216	$ 1,451
Operating expenses:
Research and development	17,746	13,806
General and administrative	8,359	6,160
Total operating expenses	26,105	19,966
Loss from operations	(25,889)	(18,515)
Other income:
Interest and other income	196	55
Net loss	(25,693)	(18,460)
Change in unrealized loss on investments	(778)	(13)
Comprehensive loss	(26,471)	(18,473)
Net loss	(25,693)	(18,460)
Net loss	$ (25,693)	$ (18,460)
Net loss per share, basic (in dollars per share)	$ (0.98)	$ (2.91)
Net loss per share, diluted (in dollars per share)	$ (0.98)	$ (2.91)
Weighted-average shares used to compute basic net loss per share (in shares)	26,126,092	6,336,347
Weighted-average shares used to compute diluted net loss per share (in shares)	26,126,092	6,336,347