Statements of Operations - USD ($)	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
OPERATING EXPENSES
Research and development	$ 3,660,322	$ 5,131,523	$ 4,292,909
General and administrative	3,402,778	3,535,849	2,297,470
Total operating expenses	7,063,100	8,667,372	6,590,379
LOSS FROM OPERATIONS	(7,063,100)	(8,667,372)	(6,590,379)
OTHER INCOME (EXPENSE):
Interest income	160,859	171,001	55,587
Interest expense	(2,649,592)	(3,092,550)	(962,535)
Discount on convertible debentures	(1,175,344)	(569,495)	(129,006)
Change in fair value of derivatives	8,529,005	(1,443,200)	(1,249,335)
Other income (expense), net	4,864,928	(4,934,244)	(2,285,289)
LOSS BEFORE INCOME TAXES	(2,198,172)	(13,601,616)	(8,875,668)
INCOME TAX PROVISION	0	0	0
NET LOSS	$ (2,198,172)	$ (13,601,616)	$ (8,875,668)
NET LOSS PER COMMON SHARE
Basic (in dollars per share)	$ (0.04)	$ (0.27)	$ (0.19)
Diluted (in dollars per share)	$ (0.09)	$ (0.27)	$ (0.19)
Weighted average common shares outstanding
Basic (in shares)	56,553,848	51,225,622	45,892,549
Diluted (in shares)	59,220,515	51,225,622	47,606,835