XML 61 R39.htm IDEA: XBRL DOCUMENT v3.3.1.900
Intangible assets amortization expenses (Details) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Intangible assets amortization expenses    
Amortization expenses relating to intangible assets $ 317,908 $ 386,440
Impairment loss $ 104,544 $ 0