Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
REVENUE:
Total revenue	$ 0	$ 20,100
OPERATING EXPENSES:
Research and development	(87,265)	(55,143)
General and administrative	(27,525)	(21,330)
Total operating expenses	(114,790)	(76,473)
LOSS FROM OPERATIONS	(114,790)	(56,373)
OTHER INCOME (EXPENSE), NET:
Interest expense, net	(1)	(4)
Research and development incentive income	7,081	0
Other income (expense), net	3,031	(356)
Total other income (expense), net	10,111	(360)
Loss before income taxes	(104,679)	(56,733)
Income tax provision	0	(2,011)
Net loss	(104,679)	(58,744)
Net loss attributable to common stockholders - basic	(104,679)	(58,744)
Net loss attributable to common stockholders - diluted	$ (104,679)	$ (58,744)
Net loss per share attributable to common stockholders - diluted (in dollars per share)	$ (4.15)	$ (2.52)
Net loss per share attributable to common stockholders - basic (in dollars per share)	$ (4.15)	$ (2.52)
Weighted-average common stock outstanding - basic (in shares)	25,241,030	23,333,914
Weighted-average common stock outstanding - diluted (in shares)	25,241,030	23,333,914