Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
REVENUE:
Total revenue	$ 18,532	$ 7,719
OPERATING EXPENSES:
Research and development	(57,279)	(33,144)
General and administrative	(21,238)	(14,011)
Total operating expenses	(78,517)	(47,155)
Net loss from operations	(59,985)	(39,436)
OTHER INCOME, NET:
Gain on extinguishment of PPP Loan	1,827
Interest income	22	106
Gain (loss) on disposal of fixed assets	28	(13)
Other (expense) income, net	(52)	2
Total other income, net	1,825	95
Loss before income taxes	(58,160)	(39,341)
Income tax provision	0	0
Net loss	(58,160)	(39,341)
Net loss attributable to common stockholders - basic and diluted (Note 15)	$ (58,160)	$ (39,341)
Net loss per share attributable to common stockholders—basic and diluted	$ (1.48)	$ (4.83)
Weighted-average common stock outstanding—basic and diluted	39,202,086	8,144,855
Collaboration Revenue
REVENUE:
Total revenue	$ 18,532	$ 7,376
Royalty Revenue From Related Party
REVENUE:
Total revenue	$ 0	$ 343