Annual report pursuant to Section 13 and 15(d)

Intangible assets - Schedule of Estimated Future Amortization Expense (Details)

v3.3.1.900
Intangible assets - Schedule of Estimated Future Amortization Expense (Details) - USD ($)
Dec. 31, 2015
Dec. 31, 2014
Intangible Assets, Net (Excluding Goodwill) [Abstract]    
2016 $ 153,278  
2017 153,278  
2018 147,081  
2019 130,430  
2020 124,518  
Thereafter 336,026  
Intangible assets, net $ 1,044,611 $ 1,011,300