v3.21.2

Income Taxes (Narrative) (Details) | 12 Months Ended
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Jun. 30, 2021
Minimum [Member] |
Operating Loss Carryforwards [Line Items] |
Operating loss carryforwards expiration date | Jun. 30, 2021
Maximum [Member] |
Operating Loss Carryforwards [Line Items] |
Operating loss carryforwards expiration date | Jun. 30, 2037

X
- Definition Expiration date of each operating loss carryforward included in operating loss carryforward, in YYYY-MM-DD format. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32559-109319 + Details
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Balance Type: | na
Period Type: | duration

X
- Definition 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. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |