Note 12 - Junior Subordinated Debentures (Details Textual) - Junior Subordinated Debentures [Member] $ in Millions		12 Months Ended
Jun. 30, 2023	Dec. 31, 2023	Dec. 31, 2022	Sep. 21, 2006 USD ($)
Debt Instrument, Face Amount				$ 5.2
Debt Instrument, Basis Spread Adjustment	0.26161
Debt Instrument, Interest Rate, Effective Percentage		7.35%	6.47%
Three Month London Interbank Offered Rate [Member]
Debt Instrument, Basis Spread on Variable Rate	1.70%	1.70%	1.70%

Face (par) amount of debt instrument at time of issuance.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant