Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended
	Feb. 28, 2022	Feb. 28, 2021
Income Statement [Abstract]
Collaboration revenue	$ 9,621,000	$ 5,011,000
Operating expenses:
Research and development	43,137,000	23,003,000
General and administrative	9,228,000	6,530,000
Total operating expenses	52,365,000	29,533,000
Loss from operations	(42,744,000)	(24,522,000)
Interest and other income, net	211,000	318,000
Loss before income taxes	(42,533,000)	(24,204,000)
Provision for income taxes	0	71,000
Net loss	$ (42,533,000)	$ (24,275,000)
Net loss per share, basic and diluted	$ (0.95)	$ (0.63)
Weighted-average number of shares outstanding, basic and diluted	44,693,812	38,777,258