v2.4.1.9
Advances to suppliers (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Advances to suppliers [Abstract]    
Advances to Honesty Group    $ 16,888us-gaap_AdvancesToAffiliate
Advances to other suppliers 33us-gaap_AdvancesOnInventoryPurchases 16,936us-gaap_AdvancesOnInventoryPurchases
Advances to suppliers $ 33us-gaap_Supplies $ 33,824us-gaap_Supplies