Annual report pursuant to Section 13 and 15(d)

Retirement Plan - Additional Information (Detail)

v3.10.0.1
Retirement Plan - Additional Information (Detail) - USD ($)
12 Months Ended
Nov. 30, 2018
Nov. 30, 2017
Defined Benefit Plan [Abstract]    
Amount allows under 401(k) retirement plan 15.00%  
Contribution to 401(k) retirement plan $ 158,000 $ 141,000