Note 8 - Employee Benefit Plans	12 Months Ended
Dec. 31, 2022
Notes to Financial Statements
Compensation and Employee Benefit Plans [Text Block]	Note 8 — Employee Benefit Plans The Company has an employee profit-sharing salary reduction plan, pursuant to the provisions of Section 401(k) of the Internal Revenue Code, for all employees. The Company’s contribution is a matching percentage of the employee contribution as determined by the Board of Directors annually. The Company’s expense for the plan was $1,179 thousand, $1,041 thousand and $841 thousand for 2022, 2021 and 2020, respectively.

The entire disclosure for an entity's employee compensation and benefit plans, including, but not limited to, postemployment and postretirement benefit plans, defined benefit pension plans, defined contribution plans, non-qualified and supplemental benefit plans, deferred compensation, share-based compensation, life insurance, severance, health care, unemployment and other benefit plans.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 710
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org//710/tableOfContent

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 712
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org//712/tableOfContent

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 715
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org//715/tableOfContent

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 718
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org//718/tableOfContent

Name:	us-gaap_CompensationAndEmployeeBenefitPlansTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration