Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Operating expenses:
Research and development	$ 13,867	$ 8,151	$ 31,516	$ 20,253
General and administrative	4,147	2,376	10,816	7,687
Depreciation and amortization	30	8	45	24
Total operating expenses	18,044	10,535	42,377	27,964
Loss from operations	(18,044)	(10,535)	(42,377)	(27,964)
Other income (expense)
Interest income (expense)	1,444	152	2,917	(702)
Foreign currency exchange (loss) gain	1	(8)	64	21
Tax credit income	0	5	797	795
Total other income, net	1,445	149	3,778	114
Net loss	$ (16,599)	$ (10,386)	$ (38,599)	$ (27,850)
Net loss per share:
Basic	$ (0.1)	$ (0.07)	$ (0.24)	$ (0.18)
Diluted	$ (0.1)	$ (0.07)	$ (0.24)	$ (0.18)
Weighted-average common shares outstanding:
Basic	164,342,634	152,773,015	158,444,739	152,771,302
Diluted	164,342,634	152,773,015	158,444,739	152,771,302
Other comprehensive income (loss):
Loss on foreign currency translation	$ (318)	$ (668)	$ (286)	$ (1,621)
Unrealized gain (loss) on short-term investments	(5)	77	(51)	9
Total comprehensive loss	$ (16,922)	$ (10,977)	$ (38,936)	$ (29,462)