Note 12 - Income Taxes (Details Textual) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Unrecognized Tax Benefits, Ending Balance	$ 0
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total	$ 0
Domestic Tax Authority [Member]
Open Tax Year	2019 2020 2021
Operating Loss Carryforwards	$ 2,302
Net Operating Loss Utilized	$ 447	$ 671
State and Local Jurisdiction [Member]
Open Tax Year	2019 2020 2021

Amount of net operating loss utilized.

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Tax year that remains open to examination under enacted tax laws, in YYYY format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (e)
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 3
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Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
-Paragraph 10B
-URI https://asc.fasb.org/extlink&oid=123427490&loc=SL37586934-109318

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-Publisher FASB
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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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