Consolidated Statements of Operations - USD ($) $ in Thousands		12 Months Ended
		Nov. 30, 2020	Nov. 30, 2019
Income Statement [Abstract]
Collaboration revenue	[1]	$ 17,820	$ 31,115
Operating expenses:
Research and development		66,494	45,025
General and administrative		16,309	8,326
Total operating expenses		82,803	53,351
Loss from operations		(64,983)	(22,236)
Interest and other income, net		1,206	776
Loss before income taxes		(63,777)	(21,460)
(Benefit) provision for income taxes		(20,535)	239
Net loss		$ (43,242)	$ (21,699)
Net loss per share attributable to common stockholders, basic and diluted		$ (2.76)	$ (6.59)
Weighted-average number of shares outstanding, basic and diluted		15,673,424	3,292,514

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