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Prepaid Expenses and Other Current Assets - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($)	Mar. 31, 2019	Dec. 31, 2018
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Land and property deposits (Note 15)	$ 2,100,000	$ 1,800,000
Surety bond and insurance	342,758	475,861
Reimbursements due from Tonogold	119,541	82,951
Other	312,543	353,390
Total prepaid expenses and other current assets	$ 2,874,842	$ 2,712,202

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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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