Annual report pursuant to Section 13 and 15(d)

Retirement Plan - Additional Information (Detail)

v3.19.3.a.u2
Retirement Plan - Additional Information (Detail) - USD ($)
12 Months Ended
Nov. 30, 2019
Nov. 30, 2018
Defined Benefit Plan [Abstract]    
Amount allows under 401(k) retirement plan 15.00%  
Contribution to 401(k) retirement plan $ 205,000 $ 158,000