Investment Portfolio - Equity Method Investments (Details)	3 Months Ended	9 Months Ended
	Sep. 30, 2018 USD ($)	Sep. 30, 2018 USD ($)
Investments, Debt and Equity Securities [Abstract]
Total assets	$ 99,404,580	$ 99,404,580
Total liabilities	31,473,525	31,473,525
Net assets	67,931,055	67,931,055
DHCM's portion of net assets	20,132,461	20,132,461
Investment Income	261,767	817,862
Expenses	228,936	712,938
Net realized gains (losses)	829,029	476,343
Net change in unrealized appreciation/depreciation	1,374,838	1,688,384
Net income	2,236,698	2,269,651
DHCM's portion of net income	$ 668,226	$ 742,944