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Fair Value of Financial Instruments - Schedule of Investment Income (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Fair Value Disclosures [Abstract]        
Interest and dividends accrued and paid $ 69,559 $ 1,426 $ 138,848 $ 3,417
Realized gains 3,902 8,337
Investment income $ 73,461 $ 1,426 $ 147,185 $ 3,417