XML 85 R71.htm IDEA: XBRL DOCUMENT v3.8.0.1
Intangible assets (Details 1)
Dec. 31, 2017
USD ($)
Finite-Lived Intangible Assets [Line Items]  
2018 $ 1,406,192
2019 795,081
2020 281,192
2021 166,192
2022 159,525
Thereafter 957,252
Finite Lived Intangible Assets Net $ 3,765,434