Note 3 - Investment Securities - Schedule of Maturities of Securities (Details) - USD ($)
|
Dec. 31, 2024 |
Dec. 31, 2023 |
| Due in one year or less, available-for-sale, amortized cost |
$ 1,000,000
|
|
| Due in one year or less, available-for-sale, fair value |
993,000
|
|
| Due in one year or less, held-to-maturity, amortized cost |
370,000
|
|
| Due in one year or less, held-to-maturity, fair value |
370,000
|
|
| Due from one to five years, available-for-sale, amortized cost |
0
|
|
| Due from one to five years, available-for-sale, fair value |
0
|
|
| Due from one to five years, held-to-maturity, amortized cost |
4,017,000
|
|
| Due from one to five years, held-to-maturity, fair value |
3,973,000
|
|
| Due from after five to ten years, available-for-sale, amortized cost |
14,430,000
|
|
| Due from after five to ten years, available-for-sale, fair value |
12,997,000
|
|
| Due from after five to ten years, held-to-maturity, amortized cost |
5,945,000
|
|
| Due from after five to ten years, held-to-maturity, fair value |
5,886,000
|
|
| Due after ten years, available-for-sale, amortized cost |
50,331,000
|
|
| Due after ten years, available-for-sale, fair value |
41,757,000
|
|
| Due after ten years, held-to-maturity, amortized cost |
5,746,000
|
|
| Due after ten years, held-to-maturity, fair value |
5,636,000
|
|
| Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss |
65,761,000
|
$ 69,665,000
|
| Debt Securities, Available-for-Sale, Excluding Accrued Interest |
55,747,000
|
59,928,000
|
| Debt Securities, Held-to-Maturity, Excluding Accrued Interest, after Allowance for Credit Loss |
16,078,000
|
17,275,000
|
| Debt Securities, Held-to-Maturity, Fair Value |
15,865,000
|
17,163,000
|
| Available-for-sale, less than 12 months, fair value |
2,873,000
|
3,501,000
|
| Available-for-sale, less than 12 months, unrealized loss |
(71,000)
|
(35,000)
|
| Available-for-sale, more than 12 months, fair value |
49,704,000
|
52,819,000
|
| Available-for-sale, more than 12 months, unrealized loss |
(9,947,000)
|
(9,728,000)
|
| Available-for-sale, fair value |
52,577,000
|
56,320,000
|
| Available-for-sale, unrealized loss |
(10,018,000)
|
(9,763,000)
|
| Collateralized Mortgage-Backed Securities [Member] |
|
|
| Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss |
21,298,000
|
23,446,000
|
| Debt Securities, Available-for-Sale, Excluding Accrued Interest |
17,193,000
|
19,515,000
|
| Available-for-sale, less than 12 months, fair value |
0
|
0
|
| Available-for-sale, less than 12 months, unrealized loss |
0
|
0
|
| Available-for-sale, more than 12 months, fair value |
17,105,000
|
19,440,000
|
| Available-for-sale, more than 12 months, unrealized loss |
(4,105,000)
|
(3,931,000)
|
| Available-for-sale, fair value |
17,105,000
|
19,440,000
|
| Available-for-sale, unrealized loss |
(4,105,000)
|
(3,931,000)
|
| Subordinated Debt [Member] |
|
|
| Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss |
8,971,000
|
9,970,000
|
| Debt Securities, Available-for-Sale, Excluding Accrued Interest |
7,907,000
|
8,467,000
|
| Debt Securities, Held-to-Maturity, Fair Value |
2,486,000
|
2,490,000
|
| Available-for-sale, less than 12 months, fair value |
215,000
|
0
|
| Available-for-sale, less than 12 months, unrealized loss |
(35,000)
|
0
|
| Available-for-sale, more than 12 months, fair value |
7,191,000
|
7,717,000
|
| Available-for-sale, more than 12 months, unrealized loss |
(1,029,000)
|
(1,503,000)
|
| Available-for-sale, fair value |
7,406,000
|
7,717,000
|
| Available-for-sale, unrealized loss |
(1,064,000)
|
(1,503,000)
|
| Taxable Municipal Bonds [Member] |
|
|
| Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss |
10,623,000
|
10,649,000
|
| Debt Securities, Available-for-Sale, Excluding Accrued Interest |
8,201,000
|
8,307,000
|
| Available-for-sale, less than 12 months, fair value |
0
|
0
|
| Available-for-sale, less than 12 months, unrealized loss |
0
|
0
|
| Available-for-sale, more than 12 months, fair value |
8,201,000
|
8,307,000
|
| Available-for-sale, more than 12 months, unrealized loss |
(2,422,000)
|
(2,342,000)
|
| Available-for-sale, fair value |
8,201,000
|
8,307,000
|
| Available-for-sale, unrealized loss |
(2,422,000)
|
(2,342,000)
|
| Nontaxable Municipal Bonds [Member] |
|
|
| Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss |
22,024,000
|
22,668,000
|
| Debt Securities, Available-for-Sale, Excluding Accrued Interest |
19,621,000
|
20,742,000
|
| Debt Securities, Held-to-Maturity, Fair Value |
13,379,000
|
14,673,000
|
| Available-for-sale, less than 12 months, fair value |
2,658,000
|
1,986,000
|
| Available-for-sale, less than 12 months, unrealized loss |
(36,000)
|
(34,000)
|
| Available-for-sale, more than 12 months, fair value |
16,593,000
|
16,510,000
|
| Available-for-sale, more than 12 months, unrealized loss |
(2,367,000)
|
(1,915,000)
|
| Available-for-sale, fair value |
19,251,000
|
18,496,000
|
| Available-for-sale, unrealized loss |
(2,403,000)
|
(1,949,000)
|
| US Government Agencies Debt Securities [Member] |
|
|
| Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss |
2,392,000
|
2,932,000
|
| Debt Securities, Available-for-Sale, Excluding Accrued Interest |
2,372,000
|
2,897,000
|
| Available-for-sale, less than 12 months, fair value |
0
|
1,515,000
|
| Available-for-sale, less than 12 months, unrealized loss |
0
|
(1,000)
|
| Available-for-sale, more than 12 months, fair value |
614,000
|
845,000
|
| Available-for-sale, more than 12 months, unrealized loss |
(24,000)
|
(37,000)
|
| Available-for-sale, fair value |
614,000
|
2,360,000
|
| Available-for-sale, unrealized loss |
$ (24,000)
|
$ (38,000)
|