Annual report pursuant to Section 13 and 15(d)

Description of Business and Summary of Significant Accounting Policies - Estimated Useful Lives of Property and Equipment (Detail)

v3.20.4
Description of Business and Summary of Significant Accounting Policies - Estimated Useful Lives of Property and Equipment (Detail)
 12 Months Ended
Nov. 30, 2020
Furniture and Equipment [Member] | Minimum [Member]  
Property Plant And Equipment [Line Items]  
Estimated useful lives 3 years
Furniture and Equipment [Member] | Maximum [Member]  
Property Plant And Equipment [Line Items]  
Estimated useful lives 10 years
Leasehold Improvements [Member] | Minimum [Member]  
Property Plant And Equipment [Line Items]  
Estimated useful lives 8 years
Leasehold Improvements [Member] | Maximum [Member]  
Property Plant And Equipment [Line Items]  
Estimated useful lives 10 years
Computer Software - Internal Use [Member] | Minimum [Member]  
Property Plant And Equipment [Line Items]  
Estimated useful lives 1 year
Computer Software - Internal Use [Member] | Maximum [Member]  
Property Plant And Equipment [Line Items]  
Estimated useful lives 5 years