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Note 16 - Related Party Transactions - Assets Recorded With Related Parties (Details) - USD ($) $ in Thousands | Jun. 30, 2020 | Jun. 30, 2019
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Wesco International [Member] |  |
Assets recorded with related parties | $ 108 | $ 55

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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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