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Deferred Income and Revenue Participation Rights (Tables) | 6 Months Ended
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Jun. 30, 2016
Deferred Revenue Disclosure [Abstract] |
Participating Revenue Rights | The Company’s participating revenue rights and deferred income consisted of the following at:
|  | June 30, 2016 |  |  | December 31, 2015 |
“Cambridge” project |  | $ | 825,000 |  |  | $ | 825,000 |
“Seattle” project |  |  | 62,500 |  |  |  | 62,500 |
Galt Resources, LLC (HMS Victory project) |  |  | 3,756,250 |  |  |  | 3,756,250 |
Oceanica call option (MINOSA) |  |  | — |  |  |  | 383,148 |
Total deferred income and participating revenue rights |  | $ | 4,643,750 |  |  | $ | 5,026,898 |

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