Loans payable - Aggregate Amount Outstanding (Details)	Sep. 30, 2018 USD ($)
Loans Payable - Aggregate Amount Outstanding Details
Within 1 year	$ 162,805
1 to 2 years	3,025,469
2 to 3 years	112,598
3 to 4 years	116,163
Thereafter	3,707,158
Total	$ 7,124,193