Note 3 - Property, Plant and Equipment - Schedule of Property, Plant and Equipment (Details) - USD ($)	Mar. 31, 2017	Dec. 31, 2016
Less: accumulated depreciation and amortization	$ (407,811)	$ (251,684)
Total property, plant and equipment, net	63,712,525	46,433,726
Plant and Equipment, at Cost [Member]
Property, plant and equipment, gross	19,708,955	19,201,550
Construction in Progress [Member]
Property, plant and equipment, gross	26,244,811	11,847,904
Mine Development [Member]
Property, plant and equipment, gross	$ 18,166,570	$ 15,635,956