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Summary of Significant Accounting Policies - Additional Information (Details)	12 Months Ended
	Jun. 30, 2019 USD ($) shares	Jun. 30, 2018 USD ($) shares	Jun. 30, 2017 USD ($)
Accounting Policies [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	8,063,113	6,969,588
Reclassification of General and Administrative Expenses into Research and Development Expenses | $		$ 1,086,880	$ 1,034,258
Series A Convertible Preferred Stock [Member]
Accounting Policies [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	17,899,154
Stockholders' Equity Note, Stock Split, Conversion Ratio	350
Percentage of Change of Control | $	$ 60
Preferred Stock, Shares Issued	5,114,044	4,531,394

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
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Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

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-Name Accounting Standards Codification
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-SubTopic 10
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