Note 3 - Acquisitions - Schedule of Acquired Assets and Liabilities (Details) - Knox Creek Acquisitions [Member]	Jul. 01, 2016 USD ($)
Allocation of purchase price:
Total assets acquired	$ 7,733,938
Asset retirement obligations	(7,416,164)
Other liabilities	(15,200)
Net assets acquired	302,574
Preparation Plant and Equipment [Member]
Allocation of purchase price:
Plant and Equipment	6,053,138
Idle Mining Equipment [Member]
Allocation of purchase price:
Plant and Equipment	407,300
Mobile Equipment [Member]
Allocation of purchase price:
Plant and Equipment	$ 1,273,500

Amount of asset retirement obligation, assumed at the acquisition date.

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Amount of assets acquired at the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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-Publisher FASB
-Name Accounting Standards Codification
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Amount of other liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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