Annual report pursuant to Section 13 and 15(d)

Commitments and contingencies (Details)

v3.10.0.1
Commitments and contingencies (Details)
Jun. 30, 2018
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
2019 $ 120,859
2020 124,478
2021 128,206
2022 132,046
2023 55,825
Thereafter
Total $ 561,414