Unaudited Condensed Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Income Statement [Abstract]
Collaboration revenue	$ 1,252	$ 2,048
Operating expenses:
Research and development	14,070	15,865
General and administrative	7,343	6,464
Total operating expenses	21,413	22,329
Loss from operations	(20,161)	(20,281)
Other income:
Interest income	5,401	2,822
Total other income	5,401	2,822
Net loss	(14,760)	(17,459)
Other comprehensive gain (loss):
Unrealized gain (loss) on available-for-sale securities, net	(1,189)	796
Comprehensive loss	$ (15,949)	$ (16,663)
Net loss per common share, basic	$ (0.3)	$ (0.42)
Net loss per common share, diluted	$ (0.3)	$ (0.42)
Weighted-average shares of common stock outstanding, basic	49,049,741	41,763,971
Weighted-average shares of common stock outstanding diluted	49,049,741	41,763,971