Consolidated Statements of Operations - USD ($)	6 Months Ended		12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Jun. 30, 2019	Jun. 30, 2018
Operating expenses:
Research and development	$ 3,513,606	$ 2,678,900	$ 7,024,747	$ 2,942,625
General and administrative	4,757,999	3,211,314	5,703,173	3,974,850
Total operating expenses	8,271,605	5,890,214	12,727,920	6,917,475
Loss from operations	(8,271,605)	(5,890,214)	(12,727,920)	(6,917,475)
Other income (expenses):
Change in fair value of derivative liabilities		(54,634)	(54,634)	(708,901)
Interest income (expense), net	75,063	(790,087)	(761,038)	(1,336,826)
Other				2,350
Loss on extinguishment of debt		(3,774,468)	(3,774,468)
Total other income (expenses)	75,063	(4,619,189)	(4,590,140)	(2,043,377)
Net loss	$ (8,196,542)	$ (10,509,403)	$ (17,318,060)	$ (8,960,852)
Net loss per common share - basic and diluted	$ (0.77)	$ (2.20)	$ (2.74)	$ (2.86)
Weighted average number of common shares outstanding - basic and diluted	10,577,866	4,766,724	6,311,769	3,136,336