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Common Stock and Non-Controlling Interest - Dividends Payable (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dividends Payable [Roll Forward]    
Beginning balance $ 631,961 $ 4,063,598
Accrued dividend 908,955 4,658,576
Paid in cash (535,153) (8,090,213)
Ending balance 1,005,763 631,961
Incentive Compensation Plan    
Dividends Payable [Roll Forward]    
Beginning balance 153,602 0
Accrued dividend 908,955 4,658,576
Paid in cash (56,794) (4,504,974)
Ending balance 1,005,763 153,602
2013 common stock dividend    
Dividends Payable [Roll Forward]    
Beginning balance 478,359 4,063,598
Accrued dividend 0 0
Paid in cash (478,359) (3,585,239)
Ending balance $ 0 $ 478,359