Consolidated Statements of Operations - USD ($)	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2017
REVENUES:
License and contract	$ 117,989	$ 60,300,476	$ 67,134,758
OPERATING EXPENSES:
Research and development	13,959,397	14,857,095	32,566,217
General and administrative	9,765,372	9,699,061	8,641,976
Total operating expenses	23,724,769	24,556,156	41,208,193
(Loss) income from operations	(23,606,780)	35,744,320	25,926,565
OTHER INCOME (EXPENSE):
Investment income	1,200,898	446,268	310,663
Interest expense	(20,141)	(417,561)	(1,452,014)
Total other income (expense), net	1,180,757	28,707	(1,141,351)
(Loss) income before income taxes	(22,426,023)	35,773,027	24,785,214
Income tax expense	0	0	(82,500)
NET (LOSS) INCOME	$ (22,426,023)	$ 35,773,027	$ 24,702,714
Basic net income (loss) per common share	$ (0.10)	$ 0.17	$ 0.12
Diluted net income (loss) income per common share	$ (0.10)	$ 0.16	$ 0.12
Weighted average number of common shares outstanding used in computing basic net income (loss) per common share	234,684,776	207,670,607	198,101,060
Weighted average number of common shares outstanding used in computing diluted income (loss) income per common share	234,684,776	217,133,374	207,007,558