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Organization and Summary of Significant Accounting Policies - Stock-based Compensation (Details) - USD ($)	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Organization and Summary of Significant Accounting Policies
Compensation cost	$ 954,000	$ 869,000

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
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-Name Accounting Standards Codification
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-SubTopic 10
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