CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - 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
License revenue		$ 375		$ 750
Operating expenses:
Research and development	$ 14,045	7,206	$ 21,829	14,013
General and administrative	2,855	2,795	5,703	5,535
Total operating expenses	16,900	10,001	27,532	19,548
Loss from operations	(16,900)	(9,626)	(27,532)	(18,798)
Interest income	39	1	44	3
Interest expense	(17)	(16)	(38)	(30)
Australian research and development incentives	587	244	624	315
Foreign currency loss	(733)	(129)	(498)	(150)
Net loss attributable to common stockholders	$ (17,024)	$ (9,526)	$ (27,400)	$ (18,660)
Net loss per share
Basic (in dollars per share)	$ (0.15)	$ (0.12)	$ (0.24)	$ (0.24)
Diluted (in dollars per share)	$ (0.15)	$ (0.12)	$ (0.24)	$ (0.24)
Weighted average common shares outstanding
Basic (in shares)	113,248,937	76,389,525	113,248,937	76,384,077
Diluted (in shares)	113,248,937	76,389,525	113,248,937	76,384,077