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Loan Payable Under Credit Agreement (Details) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended
Jan. 29, 2021
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Mar. 06, 2015
Loan Payable Under Credit Agreement (Details) [Line Items]            
Interest expense   $ 1,233,617 $ 951,336 $ 3,855,014 $ 3,214,083  
Outstanding balance credit agreement   34,625,000   34,625,000    
Unamortized issuance costs   $ 419,307   $ 419,307    
Credit Agreement [Member]            
Loan Payable Under Credit Agreement (Details) [Line Items]            
Borrow from lender           $ 47,500,000
Description of credit facility This Amendment extended the Commitment Termination Date to April 1, 2024, amended other covenant requirements, partially removed indebtedness covenants and amended eligibility rules.          
Interest rate 11.00%          
Lender fee $237,000          
Bear interest rate   11.25%   11.25%   5.00%
Credity availability       $ 165,417    
Interest expense   $ 1,015,930 $ 708,086 $ 3,147,479 $ 2,373,525