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Prepaid Expenses and Other Current Assets | 6 Months Ended
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Jun. 30, 2018
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Prepaid Expenses and Other Current Assets | Prepaid Expenses and Other Current Assets Prepaid expenses and other current assets consisted of the following:
| June 30, 2018 |  | December 31, 2017
Land and property deposits | $ | 250,000 |  |  | $ | — |
Surety bond and insurance | 198,485 |  |  | 188,485 |
Reimbursements due from Tonogold | 54,815 |  |  | — |
Other | 205,948 |  |  | 112,902 |
Total prepaid expenses and other current assets | $ | 709,248 |  |  | $ | 301,387 |

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