Note 2 - Business Combinations - Identifiable Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	2 Months Ended	3 Months Ended	6 Months Ended	12 Months Ended
	Dec. 31, 2023	Jun. 30, 2024	Dec. 31, 2024	Dec. 31, 2024	Dec. 31, 2022
Goodwill Resulting From Merger	$ 79,509		$ 90,310	$ 90,310	$ 59,221
Cincinnati Bancorp, Inc. [Member]
Cash consideration	9,475			9,475
Common stock (2,042,598 shares issued at $13.99 per share)	28,576			28,576
Fair value of total consideration transferred	38,051			38,051
Cash and cash equivalents	11,368		11,368	11,368
Debt securities, available-for-sale	5,210		5,210	5,210
Federal Home Loan Bank stock	7,508		7,508	7,508
Loans, net	236,692		235,960	235,960
Loans, net				(732)
Premises and equipment	2,767		2,767	2,767
Operating lease right-of-use assets	64		64	64
Core deposit and other intangibles	8,391		8,391	8,391
Bank owned life insurance	4,413		4,413	4,413
Deferred income taxes	4,451		4,533	4,533
Other assets	12,950		13,072	13,072
Other assets				122
Total identifiable assets acquired	293,814		293,286	293,286
Total identifiable assets acquired				(528)
Deposits	210,532		210,532	210,532
Short-term borrowings	55,999		55,999	55,999
Long-term debt	5,963		5,963	5,963
Operating lease liabilities	68		64	64
Operating lease liabilities				(4)
Other liabilities	3,489		3,489	3,489
Total liabilities assumed	276,051		276,047	276,047
Total liabilities assumed				(4)
Total Identifiable Net Assets Acquired	17,763		17,239	17,239
Total Identifiable Net Assets Acquired				(524)
Goodwill Resulting From Merger	$ 20,288		20,812	20,812
Goodwill Resulting From Merger				524
Total liabilities assumed				(4)
Eagle Financial Bancorp, Inc. [Member]
Cash consideration		$ 10,256	10,173
Common stock (2,042,598 shares issued at $13.99 per share)		12,891	12,187
Fair value of total consideration transferred		23,147	22,360
Cash and cash equivalents		8,029	8,029	8,029
Debt securities, available-for-sale		698	698	698
Federal Home Loan Bank stock		4,334	4,334	4,334
Loans, net		127,700	127,700	127,700
Premises and equipment		3,427	3,427	3,427
Operating lease right-of-use assets		48	48	48
Core deposit and other intangibles		3,760	3,760	3,760
Bank owned life insurance		3,004	3,004	3,004
Deferred income taxes		1,813	4,266	4,266
Other assets		2,590	3,072	3,072
Other assets			482
Total identifiable assets acquired		155,403	158,338	158,338
Total identifiable assets acquired			2,935
Deposits		132,435	132,435	132,435
Other liabilities		773	772	772
Total liabilities assumed		146,256	146,255	146,255
Total liabilities assumed			(1)
Total Identifiable Net Assets Acquired		9,147	12,083	12,083
Total Identifiable Net Assets Acquired			2,936
Goodwill Resulting From Merger		14,000	10,277	10,277
Goodwill Resulting From Merger			(3,723)
Cash consideration			(83)
Common stock (868,001 shares issued at $14.04 per share)			(704)
Fair value of total consideration transferred			(787)
Deferred income taxes			2,453
Short-term borrowings		13,000	13,000	13,000
Operating lease liabilities		$ 48	48	$ 48
Other liabilities			(1)
Total liabilities assumed			$ (1)