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Prepaid Expenses and Other Current Assets - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Land and property deposits	$ 250,000	$ 0
Surety bond and insurance	198,485	188,485
Reimbursements due from Tonogold	54,815	0
Other	205,948	112,902
Total prepaid expenses and other current assets	$ 709,248	$ 301,387

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Recovery Of Reimbursements

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Carrying value of amounts transferred to third parties for security purposes that are expected to be returned or applied towards payment within one year or during the operating cycle, if shorter.

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