Fair Value Measurement - Additional Information (Details) - USD ($)					1 Months Ended			12 Months Ended
	Mar. 25, 2020	Mar. 23, 2020	Jan. 24, 2020	Feb. 27, 2019	Feb. 27, 2019	Jan. 24, 2014	Sep. 12, 2013	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018	Oct. 27, 2019
Stock Issued During Period, Shares, New Issues	180,087
Fair value of the derivative warrants				$ 1,527,259	$ 1,527,259
Exercise price				$ 12.20	$ 12.20						$ 3.00
Projected fundamental transaction (as a percent)								0.00%
Class of Warrant or Right, Number of Securities Called by Warrants or Rights				347,222	347,222				8,403,462.00
Change in fair value of derivative liabilities								$ (5,845,313)	$ 179,745	$ 2,554,020
Common stock issued for warrants								$ 1,153,881
Warrant Expiration Term				5 years	5 years 6 months
Derivative liability - Old Warrants
Valuation based on warrants outstanding				347,222	347,222
Exercise price				$ 12.20	$ 12.20
Future capital raises at prices as a percent of market (as a percent)									100.00%
Projected fundamental transaction (as a percent)									0.00%
Warrant Expiration Term				5 years
Derivative Old Warrants
Fair value of the derivative warrants			$ 8,403,468
Valuation based on warrants outstanding			347,222
Exercise price			$ 12.20
Market stock price			8.45
Projected imminent reset event based on the Company's offering			$ 3.00
Future capital raises at prices as a percent of market (as a percent)			100.00%
Projected fundamental transaction (as a percent)			10.00%
Projected annual volatility (as a percent)			106.5
Derivative New Warrants
Fair value of the derivative warrants	$ 212,180	$ 941,701	$ 2,066,425
Valuation based on warrants outstanding	80,608	266,614	347,222
Exercise price	$ 3.00	$ 3.00	$ 3.00
Market stock price	$ 4.80	$ 6.11	$ 8.45
Future capital raises at prices as a percent of market (as a percent)	100.00%	100.00%	100.00%
Projected fundamental transaction (as a percent)	10.00%	10.00%	10.00%
Projected annual volatility (as a percent)	123.0	122.6	106.5
Minimum [Member] | Derivative liability - Old Warrants
Projected fundamental transaction (as a percent)									1.00%
Maximum [Member] | Derivative liability - Old Warrants
Projected fundamental transaction (as a percent)									10.00%
Placement Agents [Member]
Warrant Expiration Term						347222 years	347222 years
Exchange Agreement
Stock Issued During Period, Shares, New Issues	180,087
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		347,222
Common Stock [Member]
Stock Issued During Period, Shares, New Issues								4,275,000	347,223
Common stock issued for warrants								$ 180
Additional Paid-in Capital [Member]
Common stock issued for warrants								$ 1,153,701