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Stockholders' Deficit - Schedule of Stock-Based Compensation Expenses (Details) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Total stock-based compensation expense	$ 456,000	$ 1,086,000	$ 1,356,000	$ 1,492,000
Research and Development [Member]
Total stock-based compensation expense	54,000	225,000	162,000	256,000
General and Administrative [Member]
Total stock-based compensation expense	$ 402,000	$ 861,000	$ 1,194,000	$ 1,236,000

X

- Definition

Amount of noncash expense for share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

+ Details

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- Details

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