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Note 5 - Commitments and Contingencies (Details Textual) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	May 06, 2022	Mar. 03, 2022	Dec. 31, 2021	Jul. 24, 2019
Lease Term (Year)				15 years
Accrual for Taxes Other than Income Taxes, Current	$ 1,028			$ 1,028			$ 6,100	$ 6,830
Estimated Litigation Liability, Current	0			0				$ 6,200	$ 6,200
Settlement Agreement Amount						$ 4,800
Gain (Loss) Related to Litigation Settlement	$ (0)	$ 1,400	$ (0)	$ 1,400	$ (0)

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- Definition

Represents lease term.

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- Definition

represents settlement agreement amount.

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- Definition

Carrying value as of the balance sheet date of obligations incurred and payable for real and property taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 720
-SubTopic 30
-Section 45
-Paragraph 1
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-Section S99
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- Definition

Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349

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Carrying amount of reserve for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs, which is expected to be paid within one year of the date of the statement of financial position.

+ References

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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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