Annual report pursuant to Section 13 and 15(d)

Allowance for Doubtful Accounts - Allowance for Doubtful Accounts (Detail)

v3.19.3.a.u2
Allowance for Doubtful Accounts - Allowance for Doubtful Accounts (Detail) - USD ($)
12 Months Ended
Nov. 30, 2019
Nov. 30, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Beginning Balance $ 2,264,848 $ 2,098,991
Bad Debt Expense 767,128 727,483
Write-offs (756,688) (907,263)
Recoveries 308,803 345,637
Ending Balance $ 2,584,091 $ 2,264,848