Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating expenses:
Research and development	$ 7,607	$ 6,096
General and administrative	4,600	4,336
Total operating expenses	12,207	10,432
Loss from operations	(12,207)	(10,432)
Other income (expense)
Interest income	878	10
Interest expense	(880)	(124)
Total other income (expense)	(2)	(114)
Net loss	(12,209)	(10,546)
Unrealized loss on short-term investments	91	0
Comprehensive loss	$ (12,118)	$ (10,546)
Net loss per share of common stock, basic	$ (0.32)	$ (0.28)
Net loss per share of common stock, diluted	$ (0.32)	$ (0.28)
Weighted-average shares used to compute basic net loss per share	38,458,837	37,535,874
Weighted-average shares used to compute diluted net loss per share	38,458,837	37,535,874