Stock warrants (Details 2) - $ / shares	6 Months Ended	12 Months Ended
	Dec. 31, 2016	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
8/17/2012
Exercise Price		$ 0.01
Number of Shares Outstanding		6,250
Expiration Date		Jul. 01, 2016
8/20/2012
Exercise Price		$ 0.01
Number of Shares Outstanding		6,250
Expiration Date		Jul. 01, 2016
9/10/2012
Exercise Price		$ 0.01
Number of Shares Outstanding		10,000
Expiration Date		Jul. 01, 2016
9/13/2012
Exercise Price		$ 0.01
Number of Shares Outstanding		12,500
Expiration Date		Jul. 01, 2016
9/18/2012
Exercise Price		$ 0.01
Number of Shares Outstanding		6,250
Expiration Date		Jul. 01, 2016
10/5/2012
Exercise Price		$ 0.01
Number of Shares Outstanding		2,500
Expiration Date		Jul. 01, 2016
10/25/2012
Exercise Price		$ 0.01
Number of Shares Outstanding		6,250
Expiration Date		Jul. 01, 2016
1/31/2013
Exercise Price		$ 0.01
Number of Shares Outstanding		6,250
Expiration Date		Jul. 01, 2016
10/22/2012
Exercise Price		$ 0.01
Number of Shares Outstanding		25,000
Expiration Date		Jul. 01, 2016
8/24/2012
Exercise Price		$ 0.5
Number of Shares Outstanding		50,000
Expiration Date		Aug. 24, 2016
Stock Warrant [Member]
Exercise Price	$ 0.20
Number of Shares Outstanding		131,250	131,250	180,000