Notes Payable - Equipment (Details) - USD ($)	Jun. 30, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Note payable	$ 659,765	$ 1,267,094
Current portion	(519,988)	(813,818)
Long term portion	139,777	453,276
Komatsu Financial, collateralized by a Komatsu Telehandler lift [Member]
Debt Instrument [Line Items]
Note payable	60,176	73,203
Komatsu Financial, uncollateralized [Member]
Debt Instrument [Line Items]
Note payable	0	9,668
CAT Financial, Collateralized by Five Pieces of used Mining Equipment [Member]
Debt Instrument [Line Items]
Note payable	369,763	881,894
Komatsu Financial, Collateralized by a Komatsu D275 Dozer [Member]
Debt Instrument [Line Items]
Note payable	216,418	282,675
Star Capital, LLC, Collateralized by a 2009 Multiquip Generator [Member]
Debt Instrument [Line Items]
Note payable	$ 13,408	$ 19,654

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Carrying value as of the balance sheet date of notes payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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-Paragraph 1
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Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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-Publisher FASB
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Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle if longer.

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