Annual report pursuant to Section 13 and 15(d)

Commitments and contingencies - Schedule of Future Minimum Rental Payments for Operating Leases (Details)

v3.6.0.2
Commitments and contingencies - Schedule of Future Minimum Rental Payments for Operating Leases (Details)
Dec. 31, 2016
USD ($)
Future minimum lease payments under all non-cancelable operating leases  
2017 $ 599,058
2018 561,070
2019 506,432
2020 513,743
2021 521,375
2022 and thereafter 1,200,668
Total $ 3,902,346