Quarterly report pursuant to Section 13 or 15(d)

Certain Risks and Concentrations (Details)

v3.5.0.2
Certain Risks and Concentrations (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Major Suppliers [Member] | A (Hai Yi Shipping Limited, a related party) [Member]        
Concentration Risk [Line Items]        
Concentration risk, Percentage 84.00% [1] 41.00% [1]
Major Suppliers [Member] | B (Haifeng Dafu Enterprise Co., Ltd., a related party) [Member]        
Concentration Risk [Line Items]        
Concentration risk, Percentage 14.00% [1] [1] [1]
Major Suppliers [Member] | C (Hong Long, a related party) [Member]        
Concentration Risk [Line Items]        
Concentration risk, Percentage [1] 16.00% [1] 19.00%
Major Suppliers [Member] | D (Hong Fa Shipping Limited, a related party) [Member]        
Concentration Risk [Line Items]        
Concentration risk, Percentage [1] 31.00% 44.00% 44.00%
Major Suppliers [Member] | E (PT Avona Mina Lestari, a related party)        
Concentration Risk [Line Items]        
Concentration risk, Percentage [1] 46.00% [1] 25.00%
Major Customers [Member] | A [Member]        
Concentration Risk [Line Items]        
Concentration risk, Percentage 19.00% [1] 11.00% [1]
Major Customers [Member] | B [Member]        
Concentration Risk [Line Items]        
Concentration risk, Percentage 12.00% [1] [1] [1]
Major Customers [Member] | C [Member]        
Concentration Risk [Line Items]        
Concentration risk, Percentage 12.00% [1] [1] [1]
[1] less than 10%