Bank Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Schedule of bank loans
Bank loans	$ 49,832	$ 44,841
Industrial and Commercial Bank of China [Member]
Schedule of bank loans
Bank loans	17,688	16,940
Nanjing Bank [Member]
Schedule of bank loans
Bank loans	13,495	13,951
China Everbright Bank [Member]
Schedule of bank loans
Bank loans	1,257	3,121
HSBC [Member]
Schedule of bank loans
Bank loans	7,441	3,129
Bank of Communications [Member]
Schedule of bank loans
Bank loans	2,998	3,080
China Minsheng Banking [Member]
Schedule of bank loans
Bank loans	2,998	3,080
Bank of China [Member]
Schedule of bank loans
Bank loans	2,606
China Citic Bank [Member]
Schedule of bank loans
Bank loans	1,349
Pin An Bank [Member]
Schedule of bank loans
Bank loans		$ 3,121