Consolidated Statements of Operations - USD ($)	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
REVENUES:
License and contract	$ 67,134,758	$ 44,723,827	$ 0
OPERATING EXPENSES:
Research and development	32,566,217	45,683,174	43,071,051
General and administrative	8,641,976	9,610,147	6,179,084
Total operating expenses	41,208,193	55,293,321	49,250,135
Income (loss) from operations	25,926,565	(10,569,494)	(49,250,135)
OTHER INCOME (EXPENSE):
Investment income	310,663	26,270	50,226
Interest expense	(1,452,014)	(2,288,309)	(2,513,027)
Total other expense, net	(1,141,351)	(2,262,039)	(2,462,801)
Income (loss) before income taxes	24,785,214	(12,831,533)	(51,712,936)
Income tax expense	(82,500)	(500,000)	0
NET INCOME (LOSS)	$ 24,702,714	$ (13,331,533)	$ (51,712,936)
Basic net income (loss) per common share	$ 0.12	$ (0.07)	$ (0.33)
Diluted net income (loss) income per common share	$ 0.12	$ (0.07)	$ (0.33)
Weighted average number of common shares outstanding used in computing basic net income (loss) per common share	198,101,060	184,087,719	156,553,534
Weighted average number of common shares outstanding used in computing diluted income (loss) income per common share	207,007,558	184,087,719	156,553,534