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Note 17 - Share-based Compensation - Equity-based Compensation Expenses Related to Performance-based Shares (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2020
Total expense | $ 1,100 | $ 1,300 | $ 300
Performance Shares [Member] |  |  |
Total expense | 663 | 870 | 160
Granted Within the Fiscal Year Ended June 30, 2019 [Member] | Performance Shares [Member] |  |  |
Total expense | 0 | 335 | 101
Granted Within the Fiscal Year Ended June 30, 2020 [Member] | Performance Shares [Member] |  |  |
Total expense | 107 | 234 | 59
Granted Within the Fiscal Year Ended June 30, 2021 [Member] | Performance Shares [Member] |  |  |
Total expense | 143 | 301 | 0
Granted Within the Fiscal Year Ended June 30, 2022 [Member] | Performance Shares [Member] |  |  |
Total expense | $ 413 | $ 0 | $ 0

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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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