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Fair Value Measurement - Activity for Liabilities Measured at Estimated Fair Value (Details) - USD ($)	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Warrant [Member]
Beginning balance	$ 298,092	$ 2,015,354	$ 3,197,182
Additions during the year	1,527,259	0	0
Change in fair value	(179,745)	(1,717,262)	(1,181,828)
Transfer in and out of Level 3	0	0	0
Ending Balance	1,645,606	298,092	2,015,354
Derivative liability - Series B debentures [Member]
Beginning balance	0	0	203,030
Additions during the year	0	0	0
Change in fair value	0	0	(203,030)
Transfer in and out of Level 3	0	0	0
Ending Balance	0	0	0
Derivative liability - Series C debentures [Member]
Beginning balance	0	32,213	343,673
Additions during the year	0	0	0
Change in fair value	0	(16,764)	(311,460)
Transfer in and out of Level 3	0	(15,449)	0
Ending Balance	0	0	32,213
Obligation to issue shares [Member]
Beginning balance	0	0	0
Additions during the year		5,864,337
Change in fair value		(819,994)	0
Transfer in and out of Level 3		(5,044,343)
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=99377789&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=99377789&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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

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