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Investment in OC-BVI (Details 2) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Schedule of Equity Method Investments [Line Items] |  |  |
Balance | $ 4,086,630 |  |
Profit sharing and equity from earnings of OC-BVI | 174,377 | $ 463,359 | $ 399,668
Distributions received from OC-BVI | (1,477,125) | 0 | $ 0
Balance | $ 2,783,882 | $ 4,086,630 |

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