Note 11 - Fair Value Measurements - Carrying Value and Estimated Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023	Jun. 30, 2023
Securities available for sale	$ 414,301	$ 437,271
Equity Securities, FV-NI, Current	$ 1,200	1,300
Reported Value Measurement [Member]
Cash and cash equivalents		38,670	$ 50,571
Interest-bearing time deposits		3,920	2,940
Securities available for sale		437,271	414,301
Securities held to maturity		7,000	7,000
Loans held for sale		800	2,174
Loans, net		614,409	630,024
FHLB and other restricted stock		1,836	1,836
Accrued interest receivable		4,788	4,575
Equity Securities, FV-NI, Current		1,260	1,186
Deposits		1,025,211	1,014,246
Borrowed funds		21,500	33,625
Accrued interest payable		1,209	2,352
Cash and cash equivalents		38,670	50,571
Loans, net		614,409	630,024
Estimate of Fair Value Measurement [Member]
Cash and cash equivalents		38,670	50,571
Interest-bearing time deposits		3,925	2,932
Securities available for sale		437,271	414,301
Securities held to maturity		4,446	4,494
Loans held for sale		811	2,212
Loans, net		609,243	624,644
Accrued interest receivable		4,788	4,575
Equity Securities, FV-NI, Current		1,260	1,186
Deposits		1,023,813	1,012,811
Borrowed funds		21,470	33,519
Accrued interest payable		1,209	2,352
Cash and cash equivalents		38,670	50,571
Loans, net		609,243	624,644
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 1 [Member]
Cash and cash equivalents		38,670	50,571
Interest-bearing time deposits		0	0
Securities available for sale		63,084	44,791
Securities held to maturity		0	0
Loans held for sale		0	0
Loans, net		0	0
Accrued interest receivable		0	0
Equity Securities, FV-NI, Current		1,260	1,186
Deposits		0	0
Borrowed funds		0	0
Accrued interest payable		0	0
Cash and cash equivalents		38,670	50,571
Loans, net		0	0
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 2 [Member]
Cash and cash equivalents		0	0
Interest-bearing time deposits		3,925	2,932
Securities available for sale		374,187	369,510
Securities held to maturity		4,446	4,494
Loans held for sale		811	2,212
Loans, net		0	0
Accrued interest receivable		4,788	4,575
Equity Securities, FV-NI, Current		0	0
Deposits		0	0
Borrowed funds		21,470	33,519
Accrued interest payable		1,209	2,352
Cash and cash equivalents		0	0
Loans, net		0	0
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 3 [Member]
Cash and cash equivalents		0	0
Interest-bearing time deposits		0	0
Securities available for sale		0	0
Securities held to maturity		0	0
Loans held for sale		0	0
Loans, net		609,243	624,644
Accrued interest receivable		0	0
Equity Securities, FV-NI, Current		0	0
Deposits		1,023,813	1,012,811
Borrowed funds		0	0
Accrued interest payable		0	0
Cash and cash equivalents		0	0
Loans, net		$ 609,243	$ 624,644

Represents the fair value of accrued interest receivable.

No definition available.

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- Definition

The fair value portion of held to maturity securities.

+ References

No definition available.

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Represents the fair value of interest payable.

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No definition available.

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Fair value portion of interest-bearing deposits in other financial institutions for relatively short periods of time including, for example, certificates of deposits, which are presented separately from cash on the balance sheet.

+ References

No definition available.

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- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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- Definition

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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- Definition

Fair value portion of deposit liabilities held by the entity, including, but not limited to, foreign and domestic, interest and noninterest bearing, demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits.

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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current.

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- Definition

Fair value portion of investments in Federal Home Loan Bank (FHLBank) stock.

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Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents the amount of short-term debt existing as of the balance sheet date.

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