Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets - Additional Information (Detail)

v3.20.2
Intangible Assets - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
May 31, 2020
May 31, 2019
May 31, 2020
May 31, 2019
Finite-Lived Intangible Assets, Net [Abstract]        
Amortization expense $ 17,000 $ 27,000 $ 34,000 $ 54,000