Commitments and contingencies (Tables)

12 Months Ended

Jun. 30, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule of future maximum penalty under the equivalent

The penalty imposed shall be equivalent to the amount that the sales price of the property exceeds $1,750,000 up to the maximum penalty (“Maximum Penalty”) defined below:

	Maximum Penalty
Year 1	$	5,960,000
Year 2	$	3,973,333
Year 3	$	1,986,667