Quarterly report pursuant to Section 13 or 15(d)

Note Payable - Additional Information (Detail)

v3.19.3
Note Payable - Additional Information (Detail) - USD ($)
3 Months Ended 9 Months Ended
May 20, 2016
Aug. 31, 2019
Aug. 31, 2018
Aug. 31, 2019
Aug. 31, 2018
Jun. 11, 2018
Aug. 26, 2016
Jul. 01, 2016
Debt Instrument [Line Items]                
Interest expense   $ 413,942 $ 410,366 $ 1,245,154 $ 995,437      
Debt issuance costs   548,085   548,085        
Amortization of debt issuance costs   28,014 28,337 86,014 79,876      
Texas Capital Bank National Association [Member] | Amended And Restated Promissory Notes [Member]                
Debt Instrument [Line Items]                
Interest expense   $ 162,134 $ 204,609 $ 523,818 $ 393,254      
Texas Capital Bank National Association [Member] | Amended And Restated Promissory Notes [Member] | Term Loan [Member]                
Debt Instrument [Line Items]                
Second amended and restated promissory note principal amount           $ 15,500,000    
Senior Credit Facilities [Member] | Texas Capital Bank National Association [Member] | Term Loan [Member]                
Debt Instrument [Line Items]                
Line of credit facility, description       Subject to the terms of the Agreement, on May 20, 2016, TCB advanced the Company $100.00. On July 1, 2016, TCB advanced the remaining principal amount of $7,999,900 per a promissory note dated May 20, 2016 between the Company and TCB, at a rate of 3.75% per annum plus LIBOR​​​​​​​, payable monthly with a maturity date of July 2021.        
Line of credit facility, frequency of payment       monthly        
Line of credit facility, interest rate description       3.75% per annum plus LIBOR        
Senior Credit Facilities [Member] | Texas Capital Bank National Association [Member] | Promissory Notes [Member] | Term Loan [Member]                
Debt Instrument [Line Items]                
Line of credit facility, amount advanced               $ 7,999,900
Senior Credit Facilities [Member] | London Interbank Offered Rate (LIBOR) [Member] | Texas Capital Bank National Association [Member] | Term Loan [Member]                
Debt Instrument [Line Items]                
Term loan, maximum borrowing capacity $ 8,000,000              
Line of credit facility, amount advanced $ 100.00              
Line of credit facility, interest rate 3.75%              
Line of credit facility, expiration date Jul. 31, 2021              
Amended Senior Credit Facility [Member] | Texas Capital Bank National Association [Member] | Amended And Restated Promissory Notes [Member] | Term Loan [Member]                
Debt Instrument [Line Items]                
Line of credit facility, amount advanced             $ 2,133,433  
Second Amended Senior Credit Facility [Member] | Texas Capital Bank National Association [Member] | Term Loan [Member]                
Debt Instrument [Line Items]                
Line of credit facility, amount advanced           $ 9,000,000