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Note 11 - Long Term Debt - Effect of Derivatives on AOCI (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Interest rate swaps | $ 206 | $ 572
Interest rate swaps | 809 | 139
Interest Rate Swap [Member] | Cash Flow Hedging [Member] |  |
Interest rate swaps | (206) | (572)
Interest Rate Swap [Member] | Cash Flow Hedging [Member] | Interest Expense [Member] |  |
Interest rate swaps | 319 | 139
Interest Rate Swaps Settlement [Member] | Cash Flow Hedging [Member] | Debt Extinguishment and Related costs [Member] |  |
Interest rate swaps | $ 490 | $ 0

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- Definition Amount, before tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for 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 -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=121641772&loc=d3e689-108580 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=121641772&loc=d3e637-108580 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624171-113959 + Details
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