Note 4 - Derivatives (Details Textual) - USD ($)	Sep. 30, 2022	Dec. 31, 2021	Jun. 30, 2020
Interest Rate Lock Commitments [Member]
Derivative, Notional Amount	$ 13,487,000	$ 20,340,000
Derivative Asset, Subject to Master Netting Arrangement, before Offset	147,000	657,000
Forward Contracts [Member]
Derivative, Notional Amount	12,250,000	20,500,000
Derivative, Fair Value, Net, Total	$ 320,000	$ 6,000
Interest Rate Swap [Member] \| Designated as Hedging Instrument [Member] \| Fair Value Hedging [Member]
Derivative, Notional Amount			$ 30,000,000

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
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-Publisher FASB
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Fair value of the assets less the liabilities of a derivative or group of derivatives.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

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-Publisher FASB
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- Details

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