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Loan Payable (Details 1) - USD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2016
Dec. 31, 2015
Short-term portion $ 4,811,477 $ 4,942,716
Long-term portion 11,378,969 13,430,107
Komatsu financing agreements [Member] | Loans Payable [Member]    
Total acquisition costs $ 24,614,468 $ 24,262,031
Average remaining life (Years) 2 years 11 months 23 days 3 years 5 months 16 days
Short-term portion $ 4,811,477 $ 4,942,716
Long-term portion 11,378,968 13,430,107
Komatsu Mobile Mining Equipment [Member] | Loans Payable [Member]    
Monthly payments $ 467,248 $ 461,248
Komatsu Mobile Mining Equipment [Member] | Loans Payable [Member] | Minimum [Member]    
Interest rates 0.00% 0.00%
Komatsu Mobile Mining Equipment [Member] | Loans Payable [Member] | Maximum [Member]    
Interest rates 4.40% 4.40%