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
Operating expense
Research and development	$ 18,356	$ 4,308	$ 28,365	$ 18,420
General and administrative	2,883	2,465	6,884	4,965
Total operating expense	21,239	6,773	35,249	23,385
Loss from operations	(21,239)	(6,773)	(35,249)	(23,385)
Other income (expense)
Interest income	19	29	45	48
Interest expense	(5)	(583)	(12)	(1,573)
Net loss on extinguishment of debt		(2,387)		(2,387)
Gain on forgiveness of debt		149		149
Change in fair value of convertible notes	(96)		(340)
Change in fair value of warrant liabilities	49	707	283	(826)
Total other income (expense)	(33)	(2,085)	(24)	(4,589)
Net loss and comprehensive loss	(21,272)	(8,858)	(35,273)	(27,974)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	$ (21,272)	$ (8,858)	$ (35,273)	$ (27,974)