Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Condensed Consolidated Statements of Operations and Comprehensive Loss
Collaboration revenues	$ 4,378	$ 1,785	$ 8,238	$ 3,593
Operating expenses:
Research and development	19,854	11,722	34,138	21,415
General and administrative	11,824	7,340	28,783	15,479
Total operating expenses	31,678	19,062	62,921	36,894
Loss from operations	(27,300)	(17,277)	(54,683)	(33,301)
Other income (expense):
Interest income	908	23	1,126	38
Interest expense	(883)	(819)	(1,701)	(1,341)
Total other income (expense), net	25	(796)	(575)	(1,303)
Net loss before income tax provision	(27,275)	(18,073)	(55,258)	(34,604)
Benefit from income taxes	(447)	(160)	(866)	(500)
Net loss	$ (26,828)	$ (17,913)	$ (54,392)	$ (34,104)
Net loss per share, basic	$ (0.90)	$ (0.74)	$ (1.84)	$ (1.48)
Net loss per share, diluted	$ (0.90)	$ (0.74)	$ (1.84)	$ (1.48)
Weighted average ordinary shares outstanding, basic	29,648,564	24,052,168	29,626,974	23,047,745
Weighted average ordinary shares outstanding, diluted	29,648,564	24,052,168	29,626,974	23,047,745
Comprehensives Loss:
Net loss	$ (26,828)	$ (17,913)	$ (54,392)	$ (34,104)
Other comprehensive income (loss):
Foreign currency translation adjustment	2,094	(255)	3,014	(313)
Total comprehensive loss	$ (24,734)	$ (18,168)	$ (51,378)	$ (34,417)