Quarterly report pursuant to Section 13 or 15(d)

Certain Risks and Concentrations (Details)

v3.4.0.3
Certain Risks and Concentrations (Details)
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Major Suppliers [Member] | Hai Yi Shipping Limited [Member]    
Concentration Risk [Line Items]    
Concentration risk, Percentage 42.00% [1]
Major Suppliers [Member] | Hong Fa Shipping Limited [Member]    
Concentration Risk [Line Items]    
Concentration risk, Percentage 36.00% 56.00%
Major Suppliers [Member] | PT Avona Mina Lestari [Member]    
Concentration Risk [Line Items]    
Concentration risk, Percentage 17.00% 17.00%
Major Customers [Member] | A [Member]    
Concentration Risk [Line Items]    
Concentration risk, Percentage [1] 10.00%
[1] less than 10%