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DIVIDENDS (Details) - USD ($)
1 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2021
Apr. 30, 2021
Jan. 31, 2021
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Dividends            
Dividends paid $ 5,056,945     $ 5,056,946 $ 54,800  
Series I, Class B            
Dividends            
Dividends paid     $ 10,041     $ 48,000
Series II, Class B            
Dividends            
Dividends paid $ 39,050 $ 39,050 $ 39,050     $ 168,642
Dividend (per share) $ 0.25     $ 0.25    
Series III Class B            
Dividends            
Dividends paid $ 4,086,704          
Dividend (per share) $ 1.00     1.00    
Series IV Preferred Stock            
Dividends            
Dividends paid $ 101,475          
Dividend (per share) $ 1.00     1.00    
Series V Preferred Stock            
Dividends            
Dividends paid $ 829,716          
Dividend (per share) $ 0.32     $ 0.32