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Stock-based Compensation - Stock Options - Performance-based Awards (Details) - Stock options - performance based - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Number of awards
Outstanding balance, beginning (in shares)	776,299
Granted (in shares)	0
Forfeited (in shares)	0
Vested (in shares)	0
Outstanding balance, ending (in shares)	776,299
Weighted average grant-date fair value per share
Outstanding balance, beginning (in dollars per share)	$ 3.08	$ 3.08
Granted (in dollars per share)	0
Forfeited (in dollars per share)	0
Vested (in dollars per share)	0
Outstanding balance, ending (in dollars per share)	$ 3.08
Unrecognized compensation cost	$ 1.4
Weighted-average period (in years)	2 years 4 months 24 days

X

- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (i)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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Amount of cost to be recognized for option under share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(03)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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Gross number of share options (or share units) granted during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
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-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Section 50
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Weighted average grant-date fair value of options vested.

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