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Note 5 - Allowance for Loan Losses (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Allowance for loan losses, beginning balance | $ 7,277,000 | $ 7,507,000
Allowance for loan losses, charge-offs | (2,093,000) | (965,000)
Allowance for loan losses, recoveries | 575,000 | 534,000
Allowance for loan losses, provision | 1,104,000 | 201,000
Allowance for loan losses, ending balance | 6,863,000 | 7,277,000
Individually evaluated for impairment | 3,149,000 | 1,418,000
Collectively evaluated for impairment | 3,708,000 | 5,859,000
Impaired Financing Receivable, Related Allowance | 3,155,000 | 1,418,000
Ending Allowance Balance | 6,863,000 | 7,277,000
Loans individually evaluated for impairment | 23,808,000 | 24,473,000
Loans collectively evaluated for impairment | 944,859,000 | 757,053,000
Impaired Financing Receivable, Recorded Investment, Total | 23,955,000 | 24,473,000
Loans | 968,814,000 | 781,526,000
Financial Asset Acquired with Credit Deterioration [Member] |  |
Impaired Financing Receivable, Related Allowance | 6,000 | 0
Impaired Financing Receivable, Recorded Investment, Total | 147,000 | 0
Residential Mortgage [Member] |  |
Allowance for loan losses, beginning balance | 1,181,000 | 968,000
Allowance for loan losses, charge-offs | (758,000) | (162,000)
Allowance for loan losses, recoveries | 174,000 | 91,000
Allowance for loan losses, provision | 383,000 | 284,000
Allowance for loan losses, ending balance | 980,000 | 1,181,000
Individually evaluated for impairment | 137,000 | 61,000
Collectively evaluated for impairment | 837,000 | 1,120,000
Impaired Financing Receivable, Related Allowance | 143,000 | 61,000
Ending Allowance Balance | 980,000 | 1,181,000
Loans individually evaluated for impairment | 3,471,000 | 4,404,000
Loans collectively evaluated for impairment | 191,314,000 | 183,188,000
Impaired Financing Receivable, Recorded Investment, Total | 3,482,000 | 4,404,000
Loans | 194,796,000 | 187,592,000
Residential Mortgage [Member] | Financial Asset Acquired with Credit Deterioration [Member] |  |
Impaired Financing Receivable, Related Allowance | 6,000 |
Impaired Financing Receivable, Recorded Investment, Total | 11,000 |
Commercial, Financial, and Agricultural [Member] |  |
Allowance for loan losses, beginning balance | 618,000 | 633,000
Allowance for loan losses, charge-offs | (403,000) | (246,000)
Allowance for loan losses, recoveries | 36,000 | 161,000
Allowance for loan losses, provision | 1,406,000 | 70,000
Allowance for loan losses, ending balance | 1,657,000 | 618,000
Individually evaluated for impairment | 1,073,000 | 6,000
Collectively evaluated for impairment | 584,000 | 612,000
Impaired Financing Receivable, Related Allowance | 1,073,000 | 6,000
Ending Allowance Balance | 1,657,000 | 618,000
Loans individually evaluated for impairment | 2,246,000 | 1,050,000
Loans collectively evaluated for impairment | 112,077,000 | 73,116,000
Impaired Financing Receivable, Recorded Investment, Total | 2,283,000 | 1,050,000
Loans | 114,360,000 | 74,166,000
Commercial, Financial, and Agricultural [Member] | Financial Asset Acquired with Credit Deterioration [Member] |  |
Impaired Financing Receivable, Related Allowance |  |
Impaired Financing Receivable, Recorded Investment, Total | 37,000 |
Consumer and Other [Member] |  |
Allowance for loan losses, beginning balance | 96,000 | 37,000
Allowance for loan losses, charge-offs | (784,000) | (300,000)
Allowance for loan losses, recoveries | 65,000 | 75,000
Allowance for loan losses, provision | 726,000 | 284,000
Allowance for loan losses, ending balance | 103,000 | 96,000
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 103,000 | 96,000
Impaired Financing Receivable, Related Allowance |  |
Ending Allowance Balance | 103,000 | 96,000
Loans individually evaluated for impairment |  | 217,000
Loans collectively evaluated for impairment | 23,322,000 | 23,280,000
Impaired Financing Receivable, Recorded Investment, Total |  | 217,000
Loans | 23,322,000 | 23,497,000
Consumer and Other [Member] | Financial Asset Acquired with Credit Deterioration [Member] |  |
Impaired Financing Receivable, Related Allowance |  |
Impaired Financing Receivable, Recorded Investment, Total |  |
Commercial Real Estate Portfolio Segment [Member] |  |
Impaired Financing Receivable, Related Allowance | 1,939,000 | 1,312,000
Impaired Financing Receivable, Recorded Investment, Total | 18,058,000 | 18,271,000
Loans | 636,336,000 | 496,271,000
Commercial Real Estate Portfolio Segment [Member] | Financial Asset Acquired with Credit Deterioration [Member] |  |
Impaired Financing Receivable, Related Allowance |  |
Impaired Financing Receivable, Recorded Investment, Total | 34,000 |
Commercial Real Estate Portfolio Segment [Member] | Construction, Land, and Land Development [Member] |  |
Allowance for loan losses, beginning balance | 131,000 | 1,216,000
Allowance for loan losses, charge-offs | (29,000) |
Allowance for loan losses, recoveries | 82,000 | 155,000
Allowance for loan losses, provision | 31,000 | (1,240,000)
Allowance for loan losses, ending balance | 215,000 | 131,000
Individually evaluated for impairment |  | 39,000
Collectively evaluated for impairment | 215,000 | 92,000
Impaired Financing Receivable, Related Allowance |  | 39,000
Ending Allowance Balance | 215,000 | 131,000
Loans individually evaluated for impairment | 67,000 | 531,000
Loans collectively evaluated for impairment | 95,965,000 | 59,779,000
Impaired Financing Receivable, Recorded Investment, Total | 132,000 | 531,000
Loans | 96,097,000 | 60,310,000
Commercial Real Estate Portfolio Segment [Member] | Construction, Land, and Land Development [Member] | Financial Asset Acquired with Credit Deterioration [Member] |  |
Impaired Financing Receivable, Related Allowance |  |
Impaired Financing Receivable, Recorded Investment, Total | 65,000 |
Commercial Real Estate Portfolio Segment [Member] | Other Commercial Loans [Member] |  |
Allowance for loan losses, beginning balance | 5,251,000 | 4,653,000
Allowance for loan losses, charge-offs | (119,000) | (257,000)
Allowance for loan losses, recoveries | 218,000 | 52,000
Allowance for loan losses, provision | (1,442,000) | 803,000
Allowance for loan losses, ending balance | 3,908,000 | 5,251,000
Individually evaluated for impairment | 1,939,000 | 1,312,000
Collectively evaluated for impairment | 1,969,000 | 3,939,000
Ending Allowance Balance | 3,908,000 | 5,251,000
Loans individually evaluated for impairment | 18,024,000 | 18,271,000
Loans collectively evaluated for impairment | 522,181,000 | 417,690,000
Loans | 540,239,000 | $ 435,961,000
Commercial Real Estate Portfolio Segment [Member] | Other Commercial Loans [Member] | Financial Asset Acquired with Credit Deterioration [Member] |  |
Impaired Financing Receivable, Related Allowance |  |
Impaired Financing Receivable, Recorded Investment, Total | $ 34,000 |

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