CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating expenses:
Research and development	$ 11,169	$ 7,115
General and administrative	3,492	3,165
Total operating expenses	14,661	10,280
Loss from operations	(14,661)	(10,280)
Total other income, (net):
Interest income	78	83
Other expense	(56)	(60)
Total other income, (net)	22	23
Net loss	(14,639)	(10,257)
Net loss attributable to common stockholders—basic and diluted	$ (14,639)	$ (10,257)
Weighted-average common shares outstanding—basic and diluted	26,287,264	17,577,454
Net loss per share attributable to common stockholders—basic and diluted	$ (0.56)	$ (0.58)
Comprehensive loss:
Net loss	$ (14,639)	$ (10,257)
Other comprehensive income:
Unrealized loss on investments	(35)	(3)
Comprehensive loss	$ (14,674)	$ (10,260)