Quarterly report pursuant to Section 13 or 15(d)

Note Payable - Additional Information (Details)

v3.20.2
Note Payable - Additional Information (Details) - USD ($)
3 Months Ended 6 Months Ended
Dec. 20, 2018
Jun. 24, 2016
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Debt Instrument [Line Items]              
Borrowing principal amount     $ 19,095,584   $ 19,095,584   $ 19,338,556
Loan procurement costs   $ 646,246 478,403   478,403   498,769
Amortization expense         100,029 $ 100,534  
Note payable, net book value     34,300,000   34,300,000    
Line of credit, outstanding borrowings     4,914,000   4,914,000   4,914,000
Revolving Line of Credit              
Debt Instrument [Line Items]              
Amortization expense     39,832 $ 39,832 79,663 79,663  
Line of credit, issuance costs $ 477,981            
Line of credit, outstanding borrowings     4,914,000   4,914,000   $ 4,914,000
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     $ 10,150 $ 10,405 $ 20,366 $ 20,871  
Promissory Note | Revolving Line of Credit              
Debt Instrument [Line Items]              
Borrowing principal amount $ 10,000,000            
Debt instrument maturity date Dec. 20, 2021            
Promissory Note | Revolving Line of Credit | One Month London Inter-Bank Offered Rate              
Debt Instrument [Line Items]              
Debt instrument interest rate 3.00%            
Debt instrument effective interest rate 6.46%