Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Fair Value of Options Granted (Detail)

v3.10.0.1
Stockholders' Equity - Fair Value of Options Granted (Detail) - Service-Based Vesting Condition Options [Member]
 12 Months Ended
Nov. 30, 2018
Nov. 30, 2017
Weighted average values:    
Expected life 5 years 5 years
Measurement Input, Expected Dividend Rate [Member]    
Weighted average values:    
Expected dividends 0.00 0.00
Measurement Input, Price Volatility [Member]    
Weighted average values:    
Expected dividends 0.5085 0.5207
Measurement Input, Risk Free Interest Rate [Member]    
Weighted average values:    
Expected dividends 0.0267 0.0182