XML 45 R35.htm IDEA: XBRL DOCUMENT v3.4.0.3
Intangible assets amortization expenses (Details) - USD ($)
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Intangible assets amortization expenses    
Amortization expenses relating to intangible assets $ 66,941 $ 96,726