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Note 3 - Loans and Allowance for Credit Losses on Loans - Allowance for Loan Losses (Details) - USD ($) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Beginning balance | $ 82,155,000 | $ 77,710,000 | $ 79,374,000 | $ 73,531,000 | $ 73,531,000
Loans, individually evaluated for impairment | 25,750,000 |  | 25,750,000 |  | 30,842,000
Provision for credit losses | 4,325,000 | 2,300,000 | 6,575,000 | 6,700,000 |
Charge-offs | (1,345,000) | (2,115,000) | (1,954,000) | (2,805,000) | (7,512,000)
Recoveries | 208,000 | 180,000 | 1,348,000 | 649,000 |
Ending balance | 85,343,000 | 78,075,000 | 85,343,000 | 78,075,000 | 79,374,000
Allowance for loans, individually evaluated for impairment | 3,534,000 |  | 3,534,000 |  | 3,833,000
Real Estate [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 20,407,000 |  | 20,407,000 |  | 26,318,000
Accounts Receivable and Equipment [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 5,015,000 |  | 5,015,000 |  | 4,189,000
Other Collateral [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 328,000 |  | 328,000 |  | 335,000
Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |
Beginning balance | 22,751,000 | 33,330,000 | 33,800,000 | 33,468,000 | 33,468,000
Loans, individually evaluated for impairment | 9,662,000 |  | 9,662,000 |  | 18,005,000
Provision for credit losses | (74,000) | 668,000 | (11,205,000) | 494,000 |
Charge-offs | 0 | 0 | 0 | 0 |
Recoveries | 18,000 | 23,000 | 100,000 | 59,000 |
Ending balance | 22,695,000 | 34,021,000 | 22,695,000 | 34,021,000 | 33,800,000
Allowance for loans, individually evaluated for impairment | 1,315,000 |  | 1,315,000 |  | 2,416,000
Commercial Real Estate Portfolio Segment [Member] | Real Estate [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 9,662,000 |  | 9,662,000 |  | 18,005,000
Commercial Real Estate Portfolio Segment [Member] | Accounts Receivable and Equipment [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Commercial Real Estate Portfolio Segment [Member] | Other Collateral [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Commercial and Industrial Portfolio Segment [Member] |  |  |  |  |
Beginning balance | 27,454,000 | 21,295,000 | 20,854,000 | 19,380,000 | 19,380,000
Loans, individually evaluated for impairment | 8,591,000 |  | 8,591,000 |  | 7,272,000
Provision for credit losses | 878,000 | 868,000 | 6,809,000 | 2,762,000 |
Charge-offs | (658,000) | (1,878,000) | (748,000) | (2,006,000) |
Recoveries | 67,000 | 17,000 | 826,000 | 166,000 |
Ending balance | 27,741,000 | 20,302,000 | 27,741,000 | 20,302,000 | 20,854,000
Allowance for loans, individually evaluated for impairment | 1,415,000 |  | 1,415,000 |  | 1,085,000
Commercial and Industrial Portfolio Segment [Member] | Real Estate [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 3,576,000 |  | 3,576,000 |  | 3,083,000
Commercial and Industrial Portfolio Segment [Member] | Accounts Receivable and Equipment [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 5,015,000 |  | 5,015,000 |  | 4,189,000
Commercial and Industrial Portfolio Segment [Member] | Other Collateral [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Residential Real Estate Portfolio Segment [Member] |  |  |  |  |
Beginning balance | 17,573,000 | 13,004,000 | 13,598,000 | 10,314,000 | 10,314,000
Loans, individually evaluated for impairment | 7,079,000 |  | 7,079,000 |  | 4,763,000
Provision for credit losses | 1,696,000 | 333,000 | 5,672,000 | 3,043,000 |
Charge-offs | (395,000) | 0 | (416,000) | (43,000) |
Recoveries | 11,000 | 6,000 | 31,000 | 29,000 |
Ending balance | 18,885,000 | 13,343,000 | 18,885,000 | 13,343,000 | 13,598,000
Allowance for loans, individually evaluated for impairment | 794,000 |  | 794,000 |  | 314,000
Residential Real Estate Portfolio Segment [Member] | Real Estate [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 7,079,000 |  | 7,079,000 |  | 4,763,000
Residential Real Estate Portfolio Segment [Member] | Accounts Receivable and Equipment [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Residential Real Estate Portfolio Segment [Member] | Other Collateral [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Construction and Development [Member] |  |  |  |  |
Beginning balance | 10,029,000 | 6,752,000 | 7,593,000 | 7,186,000 | 7,186,000
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Provision for credit losses | 1,622,000 | 227,000 | 4,058,000 | (207,000) |
Charge-offs | 0 | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0 |
Ending balance | 11,651,000 | 6,979,000 | 11,651,000 | 6,979,000 | 7,593,000
Allowance for loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Construction and Development [Member] | Real Estate [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Construction and Development [Member] | Accounts Receivable and Equipment [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Construction and Development [Member] | Other Collateral [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Consumer Portfolio Segment [Member] |  |  |  |  |
Beginning balance | 2,552,000 | 1,285,000 | 1,407,000 | 1,158,000 | 1,158,000
Loans, individually evaluated for impairment | 328,000 |  | 328,000 |  | 335,000
Provision for credit losses | (6,000) | 184,000 | 1,294,000 | 473,000 |
Charge-offs | (193,000) | (232,000) | (606,000) | (639,000) | (865,000)
Recoveries | 107,000 | 131,000 | 365,000 | 376,000 |
Ending balance | 2,460,000 | 1,368,000 | 2,460,000 | 1,368,000 | 1,407,000
Allowance for loans, individually evaluated for impairment | 10,000 |  | 10,000 |  | 18,000
Consumer Portfolio Segment [Member] | Real Estate [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Consumer Portfolio Segment [Member] | Accounts Receivable and Equipment [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Consumer Portfolio Segment [Member] | Other Collateral [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 328,000 |  | 328,000 |  | 335,000
Finance Leases Portfolio Segment [Member] |  |  |  |  |
Beginning balance | 411,000 | 205,000 | 220,000 | 201,000 | 201,000
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Provision for credit losses | (9,000) | 7,000 | 182,000 | 11,000 |
Charge-offs | 0 | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0 |
Ending balance | 402,000 | 212,000 | 402,000 | 212,000 | 220,000
Allowance for loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Finance Leases Portfolio Segment [Member] | Real Estate [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Finance Leases Portfolio Segment [Member] | Accounts Receivable and Equipment [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Finance Leases Portfolio Segment [Member] | Other Collateral [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Non-owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |
Beginning balance | 13,032,000 | 21,773,000 | 22,133,000 | 22,641,000 | 22,641,000
Loans, individually evaluated for impairment | 7,607,000 |  | 7,607,000 |  | 15,419,000
Provision for credit losses | 278,000 | (420,000) | (8,856,000) | (1,324,000) |
Charge-offs | 0 | 0 | 0 | 0 | 0
Recoveries | 18,000 | 17,000 | 51,000 | 53,000 |
Ending balance | 13,328,000 | 21,370,000 | 13,328,000 | 21,370,000 | 22,133,000
Allowance for loans, individually evaluated for impairment | 1,007,000 |  | 1,007,000 |  | 1,604,000
Non-owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Real Estate [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 7,607,000 |  | 7,607,000 |  | 15,419,000
Non-owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Accounts Receivable and Equipment [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Non-owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Other Collateral [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Non-owner Occupied [Member] | Residential Real Estate Portfolio Segment [Member] |  |  |  |  |
Beginning balance | 4,248,000 | 4,169,000 | 4,282,000 | 3,597,000 | 3,597,000
Loans, individually evaluated for impairment | 1,082,000 |  | 1,082,000 |  | 558,000
Provision for credit losses | 685,000 | 55,000 | 651,000 | 625,000 |
Charge-offs | 0 | 0 | 0 | 0 | 0
Recoveries | 7,000 | 0 | 7,000 | 2,000 |
Ending balance | 4,940,000 | 4,224,000 | 4,940,000 | 4,224,000 | 4,282,000
Allowance for loans, individually evaluated for impairment | 596,000 |  | 596,000 |  | 116,000
Non-owner Occupied [Member] | Residential Real Estate Portfolio Segment [Member] | Real Estate [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 1,082,000 |  | 1,082,000 |  | 558,000
Non-owner Occupied [Member] | Residential Real Estate Portfolio Segment [Member] | Accounts Receivable and Equipment [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Non-owner Occupied [Member] | Residential Real Estate Portfolio Segment [Member] | Other Collateral [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |
Beginning balance | 9,719,000 | 11,557,000 | 11,667,000 | 10,827,000 | 10,827,000
Loans, individually evaluated for impairment | 2,055,000 |  | 2,055,000 |  | 2,586,000
Provision for credit losses | (352,000) | 1,088,000 | (2,349,000) | 1,818,000 |
Charge-offs | 0 | 0 | 0 | 0 | 0
Recoveries | 0 | 6,000 | 49,000 | 6,000 |
Ending balance | 9,367,000 | 12,651,000 | 9,367,000 | 12,651,000 | 11,667,000
Allowance for loans, individually evaluated for impairment | 308,000 |  | 308,000 |  | 812,000
Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Real Estate [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 2,055,000 |  | 2,055,000 |  | 2,586,000
Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Accounts Receivable and Equipment [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Other Collateral [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Owner Occupied [Member] | Residential Real Estate Portfolio Segment [Member] |  |  |  |  |
Beginning balance | 13,325,000 | 8,835,000 | 9,316,000 | 6,717,000 | 6,717,000
Loans, individually evaluated for impairment | 5,997,000 |  | 5,997,000 |  | 4,205,000
Provision for credit losses | 1,011,000 | 278,000 | 5,021,000 | 2,418,000 |
Charge-offs | (395,000) | 0 | (416,000) | (43,000) | (43,000)
Recoveries | 4,000 | 6,000 | 24,000 | 27,000 |
Ending balance | 13,945,000 | 9,119,000 | 13,945,000 | 9,119,000 | 9,316,000
Allowance for loans, individually evaluated for impairment | 198,000 |  | 198,000 |  | 198,000
Owner Occupied [Member] | Residential Real Estate Portfolio Segment [Member] | Real Estate [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 5,997,000 |  | 5,997,000 |  | 4,205,000
Owner Occupied [Member] | Residential Real Estate Portfolio Segment [Member] | Accounts Receivable and Equipment [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Owner Occupied [Member] | Residential Real Estate Portfolio Segment [Member] | Other Collateral [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Term [Member] | Commercial and Industrial Portfolio Segment [Member] |  |  |  |  |
Beginning balance | 21,629,000 | 14,792,000 | 14,359,000 | 12,991,000 | 12,991,000
Loans, individually evaluated for impairment | 6,240,000 |  | 6,240,000 |  | 4,390,000
Provision for credit losses | 201,000 | 1,026,000 | 7,006,000 | 2,955,000 |
Charge-offs | (658,000) | (1,878,000) | (748,000) | (2,006,000) | (2,298,000)
Recoveries | 67,000 | 16,000 | 622,000 | 16,000 |
Ending balance | 21,239,000 | 13,956,000 | 21,239,000 | 13,956,000 | 14,359,000
Allowance for loans, individually evaluated for impairment | 810,000 |  | 810,000 |  | 377,000
Term [Member] | Commercial and Industrial Portfolio Segment [Member] | Real Estate [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 1,425,000 |  | 1,425,000 |  | 302,000
Term [Member] | Commercial and Industrial Portfolio Segment [Member] | Accounts Receivable and Equipment [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 4,815,000 |  | 4,815,000 |  | 4,088,000
Term [Member] | Commercial and Industrial Portfolio Segment [Member] | Other Collateral [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Lines of Credit [Member] | Commercial and Industrial Portfolio Segment [Member] |  |  |  |  |
Beginning balance | 5,825,000 | 6,503,000 | 6,495,000 | 6,389,000 | 6,389,000
Loans, individually evaluated for impairment | 2,351,000 |  | 2,351,000 |  | 2,882,000
Provision for credit losses | 677,000 | (158,000) | (197,000) | (193,000) |
Charge-offs | 0 | 0 | 0 | 0 | (3,633,000)
Recoveries | 0 | 1,000 | 204,000 | 150,000 |
Ending balance | 6,502,000 | 6,346,000 | 6,502,000 | 6,346,000 | 6,495,000
Allowance for loans, individually evaluated for impairment | 605,000 |  | 605,000 |  | 708,000
Lines of Credit [Member] | Commercial and Industrial Portfolio Segment [Member] | Real Estate [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 2,151,000 |  | 2,151,000 |  | 2,781,000
Lines of Credit [Member] | Commercial and Industrial Portfolio Segment [Member] | Accounts Receivable and Equipment [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 200,000 |  | 200,000 |  | 101,000
Lines of Credit [Member] | Commercial and Industrial Portfolio Segment [Member] | Other Collateral [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Home Equity Line of Credit [Member] |  |  |  |  |
Beginning balance | 1,147,000 | 1,609,000 | 1,660,000 | 1,613,000 | 1,613,000
Loans, individually evaluated for impairment | 90,000 |  | 90,000 |  | 467,000
Provision for credit losses | 87,000 | (7,000) | (428,000) | 1,000 |
Charge-offs | 0 | 0 | 0 | (12,000) |
Recoveries | 0 | 0 | 2,000 | 0 |
Ending balance | 1,234,000 | 1,602,000 | 1,234,000 | 1,602,000 | 1,660,000
Allowance for loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Home Equity Line of Credit [Member] | Real Estate [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 90,000 |  | 90,000 |  | 467,000
Home Equity Line of Credit [Member] | Accounts Receivable and Equipment [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Home Equity Line of Credit [Member] | Other Collateral [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Credit Card Receivable [Member] | Commercial Portfolio Segment [Member] |  |  |  |  |
Beginning balance | 238,000 | 230,000 | 242,000 | 211,000 | 211,000
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Provision for credit losses | 131,000 | 20,000 | 193,000 | 123,000 |
Charge-offs | (99,000) | (5,000) | (184,000) | (105,000) | (661,000)
Recoveries | 5,000 | 3,000 | 24,000 | 19,000 |
Ending balance | 275,000 | $ 248,000 | 275,000 | $ 248,000 | 242,000
Allowance for loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Credit Card Receivable [Member] | Commercial Portfolio Segment [Member] | Real Estate [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Credit Card Receivable [Member] | Commercial Portfolio Segment [Member] | Accounts Receivable and Equipment [Member] |  |  |  |  |
Loans, individually evaluated for impairment | 0 |  | 0 |  | 0
Credit Card Receivable [Member] | Commercial Portfolio Segment [Member] | Other Collateral [Member] |  |  |  |  |
Loans, individually evaluated for impairment | $ 0 |  | $ 0 |  | $ 0

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