Consolidated Statements of Operations - USD ($) $ in Thousands		12 Months Ended
		Nov. 30, 2021	Nov. 30, 2020	Nov. 30, 2019
Income Statement [Abstract]
Collaboration revenue	[1]	$ 29,750	$ 17,820	$ 31,115
Operating expenses:
Research and development		116,434	66,494	45,025
General and administrative		31,202	16,309	8,326
Total operating expenses		147,636	82,803	53,351
Loss from operations		(117,886)	(64,983)	(22,236)
Interest and other income, net		823	1,206	776
Loss before income taxes		(117,063)	(63,777)	(21,460)
Provision for (benefit from) income taxes		131	(20,535)	239
Net loss		$ (117,194)	$ (43,242)	$ (21,699)
Net loss per share, basic and diluted		$ (2.73)	$ (2.76)	$ (6.59)
Weighted-average number of shares outstanding, basic and diluted		42,895,383	15,673,424	3,292,514

[1] Collaboration revenue for the years ended November 30, 2021, 2020 and 2019 includes related party revenue of $0, $0 and $28.4 million, respectively.