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Note 14 - Income Taxes (Details Textual) - USD ($) Pure in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Effective Income Tax Rate Reconciliation, Percent, Total			0.00%	0.00%
Deferred Tax Assets, Valuation Allowance	$ 100,310		$ 100,310		$ 95,256
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount			5,054
Effective Income Tax Rate Reconciliation, Excess Tax Deficiencies, Amount	218	$ 695	(1,512)	$ 1,239
Valuation Allowance to Offset Excess Tax Deficiencies [Member]
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	$ 218	$ 695	$ 1,512	$ 1,239

X

- Definition

Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to excess tax deficiencies.

+ References

No definition available.

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X

- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
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X

- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-12

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 740
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-Section 55
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- Definition

Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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-URI https://asc.fasb.org/1943274/2147482685/740-10-50-2

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