Related Parties Transactions (Details) - USD ($) |
Jun. 30, 2015 |
Dec. 31, 2014 |
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Related Party Transaction [Line Items] | |||||||||||||
Prepaid expenses - related parties | $ 14,779,848 | $ 7,319,975 | |||||||||||
Pt. Avona Mina Lestari [Member] | |||||||||||||
Related Party Transaction [Line Items] | |||||||||||||
Prepaid expenses - related parties | [1] | 2,356,412 | 1,632,352 | ||||||||||
Hai Yi Shipping Limited [Member] | |||||||||||||
Related Party Transaction [Line Items] | |||||||||||||
Prepaid expenses - related parties | [2] | 5,378,438 | 2,070,023 | ||||||||||
Haifeng Dafu Enterprise Company Limited [Member] | |||||||||||||
Related Party Transaction [Line Items] | |||||||||||||
Prepaid expenses - related parties | [3] | 871,817 | 399,735 | ||||||||||
Hong Fa Shipping Limited [Member] | |||||||||||||
Related Party Transaction [Line Items] | |||||||||||||
Prepaid expenses - related parties | [4] | 4,799,529 | 1,854,131 | ||||||||||
Pt. Dwikarya Reksa Abadi [Member] | |||||||||||||
Related Party Transaction [Line Items] | |||||||||||||
Prepaid expenses - related parties | [5] | $ 1,373,652 | $ 1,363,734 | ||||||||||
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