WARRANTS - Summary of warrant activity (Details 1) - Warrants - shares	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Class Of Warrant Or Right [Roll Forward]
Outstanding at June 30	4,309,000	4,309,000	7,361,708
Issued	23,978
Exercised	(1,887,325)		(2,090,226)
Expired			(962,482)
Outstanding at June 30	2,445,653	4,309,000	4,309,000