Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Revenue:
License revenue	$ 1,000	$ 0
Operating expenses:
Research and development	31,311	28,029
General and administrative	19,549	8,996
Total operating expenses	50,860	37,025
Loss from operations	(49,860)	(37,025)
Other income (expense):
Interest income	170	55
Change in fair value of loans payable	0	(2,887)
Other income, net	40	99
Total other income (expense), net	210	(2,733)
Loss before income taxes	(49,650)	(39,758)
Income tax expense	(508)	(813)
Net loss	(50,158)	(40,571)
Extinguishment of Series B convertible preferred stock	0	10,701
Net loss attributable to non-controlling interest	0	(518)
Net loss attributable to common stockholders	$ (50,158)	$ (29,352)
Net loss per share attributable to common stockholders, basic and diluted	$ (2.21)	$ (102.93)
Weighted average common stock outstanding, basic and diluted	22,705,948	285,162
Other comprehensive loss:
Net loss	$ (50,158)	$ (40,571)
Unrealized loss on available-for-sale securities, net of tax	(194)	0
Foreign exchange translation adjustment, net of tax	(20)	(18)
Comprehensive loss	(50,372)	(40,589)
Less: Comprehensive loss attributable to non-controlling interest	0	(518)
Comprehensive loss attributable to common stockholders	$ (50,372)	$ (40,071)