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Note 10 - Employee Benefits (Details Textual) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage	100.00%
Defined Contribution Plan, Cost	$ 1.7	$ 1.9	$ 1.7
The 401K Plan One [Member]
Defined Contribution Plan, Employer Matching Contribution, Percent of Match	100.00%
The 401K Plan One [Member] | Minimum [Member]
Defined Contribution Plan, Contribution By Employee, Percent	1.00%
The 401K Plan One [Member] | Maximum [Member]
Defined Contribution Plan, Contribution By Employee, Percent	3.00%
The 401K Plan Two [Member]
Defined Contribution Plan, Employer Matching Contribution, Percent of Match	50.00%
The 401K Plan Two [Member] | Minimum [Member]
Defined Contribution Plan, Contribution By Employee, Percent	4.00%
The 401K Plan Two [Member] | Maximum [Member]
Defined Contribution Plan, Contribution By Employee, Percent	5.00%

X

- Definition

Percentage of employee gross pay the employee may contribute to a defined contribution plan

+ References

No definition available.

+ Details

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X

- Definition

Amount of cost for defined contribution plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 70
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480794/715-70-50-1

+ Details

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X

- Definition

Percentage employer matches of the employee's percentage contribution matched.

+ References

No definition available.

+ Details

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X

- Definition

Percentage of employer's matching contributions to a defined contribution plan that vests in a given year.

+ References

No definition available.

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- Details

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- Details

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