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STOCKHOLDERS' DEFICIT (Schedule of Assumptions) (Details) - Employee Options and Stock Appreciation Rights [Member]
6 Months Ended 12 Months Ended
Dec. 31, 2015
Jun. 30, 2015
Jun. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Risk-free interest rate, minimum 0.88% 0.54% 0.45%
Risk-free interest rate, maximum 1.74% 2.28% 2.61%
Dividend yield
Expected volatility, minimum 95.65% 79.66% 89.98%
Expected volatility, maximum 99.31% 98.15% 91.94%
Estimated annual forfeitures
Minimum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected term 2 years 6 months 2 years 2 years 6 months
Maximum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected term 5 years 6 months 10 years 6 years 6 months