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Note 11 - Accumulated Other Comprehensive Loss (Details Textual) - Interest Rate Swap [Member] - USD ($) $ in Millions | Jan. 10, 2019 | Mar. 31, 2023 | Jan. 03, 2023 | Dec. 31, 2022 | Dec. 31, 2021
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Derivative, Term of Contract (Year) | 5 years |  |  |  |
Derivative, Notional Amount | $ 75.0 |  |  |  |
Derivative, Fixed Interest Rate | 2.57% | 2.42% | 2.42% |  |
AOCI, Cash Flow Hedge, Cumulative Gain (Loss), after Tax |  | $ 1.3 |  | $ 1.7 |
Accumulated Other Comprehensive Income (Loss), Tax |  |  |  | $ 0.3 | $ 0.4

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- Definition Amount, after tax, of accumulated gain (loss) on derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-11 + Details
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- Definition Fixed interest rate related to the interest rate derivative. + References No definition available. + Details
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- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-1B Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-1A + Details
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- Definition Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount of tax attributable to accumulated other comprehensive income (loss). + References No definition available. + Details
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