Annual report pursuant to Section 13 and 15(d)

Land use rights, net (Details)

v3.7.0.1
Land use rights, net (Details) - USD ($)
Dec. 31, 2016
Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]    
Net $ 3,622,435 $ 3,963,003
Land Use Right [Member]    
Finite-Lived Intangible Assets [Line Items]    
Cost 4,295,107 4,590,069
Accumulated amortization (672,672) (627,066)
Net 3,622,435 3,963,003
Land Use Right, Land Located in Huizhou [Member]    
Finite-Lived Intangible Assets [Line Items]    
Cost 3,089,739 3,301,923
Land Use Right Land, Located in Ganzhou [Member]    
Finite-Lived Intangible Assets [Line Items]    
Cost $ 1,205,368 $ 1,288,146