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Note 16 - Goodwill and Other Intangible Assets - Schedule of Changes in Intangible Assets (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023
Balance, net | $ 17,343,000 |  |
Amortization | (941,000) | $ (459,000) |
Balance, net | 16,402,000 |  | $ 17,343,000
Core Deposits [Member] |  |  |
Balance | 24,928,000 | 7,490,000 | 7,490,000
Balance, accumulated amortization | (7,585,000) | (4,121,000) | (4,121,000)
Balance, net | 17,343,000 | $ 3,369,000 | 3,369,000
Additions as a result of the Branch Purchase |  |  | 17,438,000
Amortization | (941,000) |  | (3,464,000)
Balance | 24,928,000 |  | 24,928,000
Balance, accumulated amortization | (8,526,000) |  | (7,585,000)
Balance, net | $ 16,402,000 |  | 17,343,000
Core Deposits [Member] | Net Amount [Member] |  |  |
Amortization |  |  | $ (3,464,000)

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482686/350-30-45-2 + Details
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