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Commitments and Contingencies (Details) - USD ($)
$ / shares in Units, $ in Millions
6 Months Ended
Mar. 28, 2016
Jun. 30, 2016
Loss Contingencies [Line Items]    
Percentage of royalty obligations   3.00%
Number of shares to be issued in exchange for services, up to 9,000,000  
Value of services exchanged for shares $ 5  
Holding period of shares issued in exchange for services 6 months  
Minimum    
Loss Contingencies [Line Items]    
Percentage of royalty obligations   0.50%
Share price (in dollars per share) (at least) $ 0.56  
Maximum    
Loss Contingencies [Line Items]    
Percentage of royalty obligations   5.00%
American Mining & Tunneling, LLC and American Drilling Corp, LLC    
Loss Contingencies [Line Items]    
Number of shares issued in exchange for services   0