Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details)	12 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Income Tax Disclosure [Abstract]
Federal income tax rate	21.00%	21.00%	28.10%
Permanent differences	(1.80%)	(4.20%)	(1.00%)
Share based compensation	34.20%	0.00%	0.00%
Return to provision	(3.80%)	(0.40%)	0.00%
Effects of rates different than statutory	0.00%	(0.30%)	0.00%
State and local income taxes, net of federal benefit	8.60%	3.00%	4.50%
Franchise tax	(1.20%)	0.00%	(0.10%)
Change in valuation allowance	(65.60%)	(21.00%)	3.70%
Rate change	(0.50%)	(0.40%)	(39.30%)
Federal credits	4.40%	2.30%	4.00%
Other	(0.10%)	0.00%	0.00%
Effective income tax rate	(4.80%)	0.00%	(0.10%)

Effective Income Tax Rate Reconciliation, Franchise Tax, Percent

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

+ References

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile.

+ References

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to revisions of previously reported income tax expense.

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Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.

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