STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Operating expenses:
Research and development	$ 11,697	$ 7,254
General and administrative	4,856	1,925
Total operating expenses	16,553	9,179
Loss from operations	(16,553)	(9,179)
Other income:
Interest income, net	44	241
Other income		66
Total other income	44	307
Net loss	(16,509)	(8,872)
Other comprehensive loss:
Unrealized gain on available-for-sale securities	48
Comprehensive loss	$ (16,461)	$ (8,872)
Net loss per share, basic and diluted	$ (0.45)	$ (4.46)
Weighted-average shares outstanding, basic and diluted	36,679,684	1,988,861