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Investment Portfolio - Equity Method Investments (Details)	3 Months Ended	6 Months Ended
	Jun. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)
Investments, Debt and Equity Securities [Abstract]
Total assets	$ 97,401,862	$ 97,401,862
Total liabilities	31,334,781	31,334,781
Net assets	66,067,081	66,067,081
DHCM's portion of net assets	19,475,312	19,475,312
Investment Income	292,943	556,095
Expenses	244,943	484,002
Net realized gains (losses)	725,794	(252,686)
Net change in unrealized appreciation/depreciation	2,089,091	313,546
Net income	2,862,885	132,953
DHCM's portion of net income	$ 860,657	$ 74,718

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