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Commitments and Contingencies (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Mar. 31, 2016
Mar. 28, 2016
Mar. 31, 2016
Loss Contingencies [Line Items]      
Percentage of royalty obligations     3.00%
Number of shares issued in exchange for services   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