Business Risk and Credit Risk Concentration Involving Cash - Additional Information (Details) - Customer	12 Months Ended
Jun. 30, 2021	Jun. 30, 2020
Concentration Risk [Line Items]
Revenue from number of customers	2	1
Europe
Concentration Risk [Line Items]
Revenue from number of customers	2

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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