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Note 5 - Derivative Instruments and Hedging Activities (Details Textual) $ in Thousands, € in Millions, $ in Millions | Jun. 30, 2022 USD ($) | Jun. 30, 2022 CAD ($) | Jun. 30, 2022 EUR (€) | Dec. 31, 2021 USD ($) | Dec. 31, 2021 CAD ($)
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Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months | $ (300) |  |  |  |
Reclassified to Net Sales [Member] |  |  |  |  |
Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months | 0 |  |  |  |
Reclassified to Property and Equipment [Member] |  |  |  |  |
Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months | (600) |  |  |  |
Reclassified to Interest Expense [Member] |  |  |  |  |
Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months | 200 |  |  |  |
Interest Rate Swap [Member] |  |  |  |  |
Derivative, Notional Amount | $ 36,700 |  |  |  |
Derivative, Fixed Interest Rate | 1.941% | 1.941% | 1.941% |  |
Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member] |  |  |  |  |
Derivative, Notional Amount | $ 19,500 | $ 25.2 |  | $ 19,000 | $ 24.1
Designated as Hedging Instrument [Member] | Second Foreign Exchange Forward Contract [Member] |  |  |  |  |
Derivative, Notional Amount | 7,800 |  | € 7.4 |  |
Not Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member] |  |  |  |  |
Derivative, Notional Amount | $ 1,100 | $ 1.4 |  |  |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 + Details
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- Definition The estimated net amount of unrealized gains or losses on foreign currency cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=121549185&loc=d3e80748-113994 + Details
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