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Fair Value Measurement - Activity for Liabilities Measured at Estimated Fair Value (Details) - USD ($)	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Beginning balance	$ 0		$ 0	$ 0
Additions during the year - New warrants			0	5,864,337
Change in fair value		$ 0		(819,994)
Transfer out of Level 3		0		(5,044,343)
Ending Balance	0	0		0
Derivative liability - Old Warrants
Beginning balance	1,645,606		298,092	2,015,354
Additions during the year - New warrants	2,066,425		1,527,259	0
Change in fair value	5,845,313	(179,745)		(1,717,262)
Transfer out of Level 3	(9,557,344)	0		0
Ending Balance	0	1,645,606		298,092
Derivative liability - Series C debentures [Member]
Beginning balance	0		0	32,213
Additions during the year - New warrants	0		$ 0	0
Change in fair value	0	0		(16,764)
Transfer out of Level 3	0	0		(15,449)
Ending Balance	$ 0	$ 0		$ 0

X

- Definition

Amount of increase (decrease) of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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- Definition

Amount of purchases of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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- Definition

Amount of transfers of financial instrument classified as a liability into (out of) level 3 of the fair value hierarchy.

+ References

No definition available.

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- Definition

Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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