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Note 3 - Acquisition - Assets Acquired and Liabilities Assumed, and Fair Value Adjustments (Details) - USD ($) $ in Thousands	Jan. 10, 2020	Sep. 30, 2020	Dec. 31, 2019
Cash and cash equivalents	$ 17,033
Fed funds sold	8,300
Interest-bearing deposits in other financial Institutions	14,186
Investments - held to maturity	0
Investments - available for sale	0
Mortgage loans held for sale	0
Loans, gross	173,109
Allowance for loan losses	0
Bank premises and equipment	8,033
Mortgage servicing rights	0
Core deposit premium	491
Investment in trust	155
Other assets	1,493
Total assets acquired	222,800
Deposits	188,362
Escrow Payable	4,277
Subordinated debentures	4,392
Deferred income taxes	2,737
Other liabilities	827
Total liabilities assumed	200,595
Excess of assets acquired over liabilities assumed	22,205
Cash paid	32,885
Goodwill recognized	10,680	$ 69,243	$ 58,563
Reported Value Measurement [Member]
Cash and cash equivalents	17,033
Fed funds sold	8,300
Interest-bearing deposits in other financial Institutions	14,186
Investments - held to maturity	0
Investments - available for sale	0
Mortgage loans held for sale	0
Loans, gross	172,443
Allowance for loan losses	(2,265)
Bank premises and equipment	6,394
Mortgage servicing rights	0
Core deposit premium	0
Investment in trust	155
Other assets	1,687
Total assets acquired	217,933
Deposits	187,393
Escrow Payable	4,277
Subordinated debentures	5,155
Deferred income taxes	1,016
Other liabilities	1,211
Total liabilities assumed	199,052
Excess of assets acquired over liabilities assumed	18,881
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net, Total	217,933
Changes Measurement [Member]
Cash and cash equivalents	0
Fed funds sold	0
Interest-bearing deposits in other financial Institutions	0
Investments - held to maturity	0
Investments - available for sale	0
Mortgage loans held for sale	0
Loans, gross	666
Allowance for loan losses	2,265
Bank premises and equipment	1,639
Mortgage servicing rights	0
Core deposit premium	491
Investment in trust	0
Other assets	(194)
Total assets acquired	4,867
Deposits	969
Escrow Payable	0
Subordinated debentures	(763)
Deferred income taxes	1,721
Other liabilities	(384)
Total liabilities assumed	1,543
Excess of assets acquired over liabilities assumed	3,324
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net, Total	$ 4,867

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The amount of core deposit premium recognized as of the acquisition date.

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The amount of held-to-maturity investments recognized as of the acquisition date.

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Amount of loans receivable acquired at the acquisition date.

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The amount of mortgage loans held-for-sale recognized as of the acquisition date.

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The amount of assets, classified as other, recognized as of the acquisition date.

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Amount of liabilities, classified as other, recognized at the acquisition date.

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Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. 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.

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Amount of deferred tax liability attributable to taxable temporary differences assumed at the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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