Investment in OC-BVI (Details)	9 Months Ended
Sep. 30, 2018 USD ($)
Schedule of Equity Method Investments [Line Items]
Balance as of December 31, 2017	$ 2,783,882
Profit-sharing and equity from earnings of OC-BVI	2,331,905
Distributions received from OC-BVI	(2,651,250)
Balance as of September 30, 2018	$ 2,464,537

Amount of distribution received from equity method investee for return on investment, classified as operating activities. Excludes distribution for return of investment, classified as investing activities.

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