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FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - USD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Investments in equity securities      
Investments in debt and equity securities, at fair value $ 10,760,830   $ 7,771,660
Gross Unrealized      
Cost 9,760,755   7,642,345
Gross Unrealized Gains 1,000,075   129,315
Unrealized gains (losses) on investments in debt and equity securities 870,760 $ 102,128  
Level 1      
Investments in equity securities      
Investments in debt and equity securities, at fair value 9,679,990   6,708,746
Level 2      
Investments in equity securities      
Investments in debt and equity securities, at fair value 1,080,840   1,062,914
Equity securities      
Investments in equity securities      
Investments in debt and equity securities, at fair value 2,894,835    
Gross Unrealized      
Cost 2,039,148    
Gross Unrealized Gains 855,687    
Equity securities | Level 1      
Investments in equity securities      
Investments in debt and equity securities, at fair value 2,894,835    
Mutual funds and exchange traded funds      
Investments in equity securities      
Investments in debt and equity securities, at fair value 6,785,155   6,708,746
Gross Unrealized      
Cost 6,671,607   6,592,345
Gross Unrealized Gains 113,548   116,401
Mutual funds and exchange traded funds | Level 1      
Investments in equity securities      
Investments in debt and equity securities, at fair value 6,785,155   6,708,746
Certificates of deposit      
Investments in equity securities      
Investments in debt and equity securities, at fair value 1,080,840   1,062,914
Gross Unrealized      
Cost 1,050,000   1,050,000
Gross Unrealized Gains 30,840   12,914
Certificates of deposit | Level 2      
Investments in equity securities      
Investments in debt and equity securities, at fair value $ 1,080,840   $ 1,062,914