Quarterly report pursuant to Section 13 or 15(d)

Notes Payable - Additional Information (Detail)

v3.21.2
Notes Payable - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
Jun. 11, 2018
May 20, 2016
May 31, 2021
May 31, 2020
May 31, 2021
May 31, 2020
Jun. 30, 2020
Aug. 26, 2016
Jul. 01, 2016
Debt Instrument [Line Items]                  
Line of credit facility, amount advanced             $ 350,000    
Interest expense     $ 341,390 $ 365,371 $ 621,609 $ 730,670      
Debt issuance costs     548,085   548,085        
Amortization of debt issuance costs     15,390 22,337 35,072 46,818      
Texas Capital Bank National Association [Member] | Amended And Restated Promissory Notes [Member]                  
Debt Instrument [Line Items]                  
Interest expense     $ 32,894 $ 81,604 $ 73,432 $ 191,384      
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 extended to June 2023 with Second Amendment.        
Line of credit facility, frequency of payment         monthly        
Line of credit facility, interest rate description         3.75% per annum        
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   $ 8,000,000.0              
Line of credit facility, amount advanced   $ 100.00              
Line of credit facility, interest rate   3.75%              
Line of credit facility, expiration date Jun. 30, 2023 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