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Note 3 - Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2014
Accounting Policies [Abstract]  
Property, Plant and Equipment [Table Text Block]
 

Estimated

 

Useful Life *

Building and Building Improvements

5 – 40 years

Mining equipment

2 – 7 years

Office and shop furniture and equipment

3 – 7 years

Vehicles

5 years