Operating leases (Tables)

9 Months Ended

Mar. 31, 2015

Leases, Operating [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

Future minimum rental payments required under all leases that have remaining non-cancellable lease terms in excess of one year as of March 31, 2015 are as follows:

Year Ending March 31,
2016	$	306,164
2017		278,777
2018		18,000
2019		18,000
2020		18,000
	$	638,841