Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets - Additional Information (Detail)

v3.10.0.1
Intangible Assets - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
May 31, 2018
May 31, 2017
May 31, 2018
May 31, 2017
Finite-Lived Intangible Assets, Net [Abstract]        
Amortization expense $ 11,000 $ 9,000 $ 22,000 $ 17,000