Note 11 - Fair Value Accounting - Financial Assets and Liabilities at Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Pension assets	$ 1,643	$ 1,689
Totals	1,643	1,689
Derivative liabilities	6,024	5,292
Totals	6,024	5,292
Fair Value, Inputs, Level 1 [Member]
Pension assets	0	0
Totals	0	0
Derivative liabilities	0	0
Totals	0	0
Fair Value, Inputs, Level 2 [Member]
Pension assets	0	0
Totals	0	0
Derivative liabilities	0	0
Totals	0	0
Fair Value, Inputs, Level 3 [Member]
Pension assets	1,643	1,689
Totals	1,643	1,689
Derivative liabilities	6,024	5,292
Totals	$ 6,024	$ 5,292

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
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- Definition

Amount of plan asset for defined benefit plan with accumulated benefit obligation in excess of plan assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (b)
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-Publisher FASB
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-Publisher FASB
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- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
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Fair value of financial and nonfinancial obligations.

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