Quarterly report pursuant to Section 13 or 15(d)

Note Payable - Additional Information (Details)

v3.21.2
Note Payable - Additional Information (Details) - USD ($)
3 Months Ended 9 Months Ended
Jul. 06, 2021
Dec. 18, 2018
Jun. 24, 2016
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Debt Instrument [Line Items]                
Borrowing principal amount       $ 18,465,440   $ 18,465,440   $ 18,847,475
Loan procurement costs     $ 646,246 428,643   428,643   458,299
Amortization expense           155,176 $ 149,946  
Note payable, net book value       25,800,000   25,800,000    
Line of credit, issuance costs           231,926    
Line of credit, outstanding borrowings               5,144,000
Revolving Line of Credit                
Debt Instrument [Line Items]                
Debt instrument initiative date Jul. 06, 2021              
Amortization expense       45,857 $ 39,832 125,521 119,495  
Line of credit, issuance costs $ 231,926 $ 477,981            
Line of credit, outstanding borrowings       0   0   $ 5,144,000
Promissory Note                
Debt Instrument [Line Items]                
Borrowing principal amount     $ 20,000,000          
Debt instrument interest rate     4.192%          
Debt instrument maturity date     Jul. 01, 2036          
Amortization expense       $ 9,817 $ 10,085 $ 29,656 $ 30,451  
Promissory Note | Revolving Line of Credit | One Month London Inter-Bank Offered Rate                
Debt Instrument [Line Items]                
Debt instrument effective interest rate       3.25%   3.25%    
Amended Credit Facility Promissory Note | Revolving Line of Credit                
Debt Instrument [Line Items]                
Debt instrument maturity date Jul. 06, 2024              
Debt instrument interest rate 0.25%              
Debt Instrument interest rate basis           one-quarter of one percent    
Amended Credit Facility Promissory Note | Revolving Line of Credit | Maximum                
Debt Instrument [Line Items]                
Borrowing principal amount $ 15,000,000              
Amended Credit Facility Promissory Note | Revolving Line of Credit | One Month London Inter-Bank Offered Rate                
Debt Instrument [Line Items]                
Debt instrument interest rate 3.00%