Note 14 - Fair Value Measurements - Carrying Values and Estimated Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Investment securities available for sale	$ 326,569	$ 344,212
Accrued interest receivable	6,743	5,289
Servicing right fair value	3,887	3,820
Line of credit	12,000	0
Reported Value Measurement [Member]
Cash and cash equivalents	45,596	126,016
Investment securities available for sale	326,569	344,212
Loans held for sale	597	760
Loans receivable, net	1,531,435	1,350,260
FHLB stock	11,681	5,196
Accrued interest receivable	6,743	5,289
Servicing right fair value	3,887	3,282
Partnership investments	12,563	3,071
FHLB borrowings	234,000	80,000
Line of credit	12,000
Subordinated debt, net	39,358	39,280
Accrued interest payable	455	393
Reported Value Measurement [Member] \| Demand Deposits [Member]
deposits	1,182,570	1,333,337
Reported Value Measurement [Member] \| Time Deposits [Member]
deposits	381,685	247,243
Estimate of Fair Value Measurement [Member]
Cash and cash equivalents	45,596	126,016
Investment securities available for sale	326,569	344,212
Loans held for sale	597	760
Loans receivable, net	1,461,470	1,328,589
FHLB stock	11,681	5,196
Accrued interest receivable	6,743	5,289
Servicing right fair value	3,887	3,820
Partnership investments	12,563	3,071
FHLB borrowings	229,103	80,192
Line of credit	12,034
Subordinated debt, net	38,841	39,280
Accrued interest payable	455	393
Estimate of Fair Value Measurement [Member] \| Demand Deposits [Member]
deposits	1,182,570	1,333,337
Estimate of Fair Value Measurement [Member] \| Time Deposits [Member]
deposits	372,865	247,217
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 1 [Member]
Cash and cash equivalents	45,596	126,016
Investment securities available for sale	12,603	11,963
Loans held for sale	0	0
Loans receivable, net	0	0
FHLB stock	0	0
Accrued interest receivable	0	0
Servicing right fair value	0	0
Partnership investments	0	0
FHLB borrowings	0	0
Line of credit	0
Subordinated debt, net	0	0
Accrued interest payable	0	0
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 1 [Member] \| Demand Deposits [Member]
deposits	1,182,570	1,333,337
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 1 [Member] \| Time Deposits [Member]
deposits	0	0
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 2 [Member]
Cash and cash equivalents	0	0
Investment securities available for sale	284,367	332,249
Loans held for sale	597	760
Loans receivable, net	0	0
FHLB stock	11,681	5,196
Accrued interest receivable	6,743	5,289
Servicing right fair value	0	0
Partnership investments	0	3,071
FHLB borrowings	0	0
Line of credit	0
Subordinated debt, net	0	0
Accrued interest payable	455	393
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 2 [Member] \| Demand Deposits [Member]
deposits	0	0
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 2 [Member] \| Time Deposits [Member]
deposits	0	0
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 3 [Member]
Cash and cash equivalents	0	0
Investment securities available for sale	29,599	0
Loans held for sale	0	0
Loans receivable, net	1,461,470	1,328,589
FHLB stock	0	0
Accrued interest receivable	0	0
Servicing right fair value	3,887	3,820
Partnership investments	12,563	0
FHLB borrowings	229,103	80,192
Line of credit	12,034
Subordinated debt, net	38,841	39,280
Accrued interest payable	0	0
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 3 [Member] \| Demand Deposits [Member]
deposits	0	0
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 3 [Member] \| Time Deposits [Member]
deposits	$ 372,865	$ 247,217

The fair value portion of interest payable.

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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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.

+ References

No definition available.

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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.

+ References

No definition available.

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Fair value portion of investments accounted under the equity method.

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Fair value of subordinated debt obligations including, but not limited to, subordinated loan, subordinated bond, subordinated debenture or junior debt.

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- Definition

Fair value portion of borrowing from Federal Home Loan Bank (FHLBank).

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- Definition

Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

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- Definition

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

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No definition available.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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- Definition

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

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No definition available.

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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

Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

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