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Note 7 - Stock Plans - Unrecognized Stock-based Compensation Expense (Details) $ in Thousands | Jun. 30, 2023 USD ($)
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Unrecognized stock-based compensation expense | $ 2,466
The 2012 Director Stock Incentive Plan [Member] |
Unrecognized stock-based compensation expense | 486
The 2012 Omnibus Stock Incentive Plan [Member] |
Unrecognized stock-based compensation expense | 552
The 2022 Omnibus Stock Incentive Plan [Member] |
Unrecognized stock-based compensation expense | $ 1,428

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- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. + 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 + Details
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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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Data Type: | na
Balance Type: |
Period Type: |

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