Note 15 - Restructuring Charges - Activity for Lease Exit and Severance Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Balance	$ 6,425	$ 1,509
Charges	27	5,680
Cash payments	(6,452)	(764)
Balance	0	6,425
Lease Exit [Member]
Balance	625	1,147
Charges	27	(146)
Cash payments	(652)	(376)
Balance	0	625
Lease Exit [Member] \| Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]
Balance	0	362
Charges	0	26
Cash payments	0	(388)
Balance	0	0
Employee Severance [Member]
Balance	5,800	0
Charges	0	5,800
Cash payments	(5,800)	0
Balance	$ 0	$ 5,800

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482017/420-10-50-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 17
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-17

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 420
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-Name Accounting Standards Codification
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482047/420-10-45-3

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
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-URI https://asc.fasb.org/1943274/2147479823/420-10-S99-1

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4.b.2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Section 50
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-URI https://asc.fasb.org/1943274/2147482017/420-10-50-1

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