Note 3 - Loans and Allowance for Credit Losses (Tables)
|
6 Months Ended |
Jun. 30, 2026 |
| Notes Tables |
|
| Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] |
| | | June 30, 2026 | | | December 31, 2025 | |
| | | (Dollars in thousands) | |
| First mortgage loans | | | | | | | | |
| 1-4 family residential | | $ | 116,514 | | | $ | 118,222 | |
| Multi-family | | | 3,775 | | | | 3,240 | |
| Commercial | | | 3,846 | | | | 3,813 | |
| Construction | | | 3,020 | | | | 3,921 | |
| Total first mortgage loans | | | 127,155 | | | | 129,196 | |
| Consumer loans | | | 312 | | | | 268 | |
| Total loans | | | 127,467 | | | | 129,464 | |
| Net deferred loan costs | | | 156 | | | | 299 | |
| Allowance for credit losses on loans | | | (1,095 | ) | | | (1,128 | ) |
| Total loans, net | | $ | 126,528 | | | $ | 128,635 | |
|
| Financing Receivable, Allowance for Credit Loss [Table Text Block] |
| | | June 30, 2026 | |
| | | 1-4 family | | | | | | | | | | | | | | | | | | | | | |
| | | residential | | | Multi-family | | | Commercial | | | Construction | | | Consumer | | | Total | |
| | | (Dollars in thousands) | |
| Three months ended | | | | | | | | | | | | | | | | | | | | | | | | |
| Beginning balance | | $ | 956 | | | $ | 39 | | | $ | 34 | | | $ | 63 | | | $ | 3 | | | $ | 1,095 | |
| Charge-offs | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Recoveries | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Net recoveries (charge-offs) | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Provision for (release of) credit losses | | | 11 | | | | 5 | | | | 3 | | | | (19 | ) | | | — | | | | — | |
| Ending balance | | $ | 967 | | | $ | 44 | | | $ | 37 | | | $ | 44 | | | $ | 3 | | | $ | 1,095 | |
| | | June 30, 2026 | |
| | | 1-4 family | | | | | | | | | | | | | | | | | | | | | |
| | | residential | | | Multi-family | | | Commercial | | | Construction | | | Consumer | | | Total | |
| | | (Dollars in thousands) | |
| Six months ended | | | | | | | | | | | | | | | | | | | | | | | | |
| Beginning balance | | $ | 989 | | | $ | 39 | | | $ | 37 | | | $ | 61 | | | $ | 2 | | | $ | 1,128 | |
| Charge-offs | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Recoveries | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Net recoveries (charge-offs) | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| (Release of) provision for credit losses | | | (22 | ) | | | 5 | | | | — | | | | (17 | ) | | | 1 | | | | (33 | ) |
| Ending balance | | $ | 967 | | | $ | 44 | | | $ | 37 | | | $ | 44 | | | $ | 3 | | | $ | 1,095 | |
| | | June 30, 2025 | |
| | | 1-4 family | | | | | | | | | | | | | | | | | | | | | |
| | | residential | | | Multi-family | | | Commercial | | | Construction | | | Consumer | | | Total | |
| | | (Dollars in thousands) | |
| Three months ended | | | | | | | | | | | | | | | | | | | | | | | | |
| Beginning balance | | $ | 1,034 | | | $ | 37 | | | $ | 38 | | | $ | 45 | | | $ | 2 | | | $ | 1,156 | |
| Charge-offs | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Recoveries | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Net recoveries (charge-offs) | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Provision for credit losses | | | 22 | | | | — | | | | 6 | | | | 16 | | | | — | | | | 44 | |
| Ending balance | | $ | 1,056 | | | $ | 37 | | | $ | 44 | | | $ | 61 | | | $ | 2 | | | $ | 1,200 | |
| | | June 30, 2025 | |
| | | 1-4 family | | | | | | | | | | | | | | | | | | | | | |
| | | residential | | | Multi-family | | | Commercial | | | Construction | | | Consumer | | | Total | |
| | | (Dollars in thousands) | |
| Six months ended | | | | | | | | | | | | | | | | | | | | | | | | |
| Beginning balance | | $ | 1,056 | | | $ | 37 | | | $ | 41 | | | $ | 65 | | | $ | 2 | | | $ | 1,201 | |
| Charge-offs | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Recoveries | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Net recoveries (charge-offs) | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Provision for (release of) credit losses | | | — | | | | — | | | | 3 | | | | (4 | ) | | | — | | | | (1 | ) |
| Ending balance | | $ | 1,056 | | | $ | 37 | | | $ | 44 | | | $ | 61 | | | $ | 2 | | | $ | 1,200 | |
|
| Schedule of Fair Value, off-Balance-Sheet Risks [Table Text Block] |
| | | Off-balance sheet exposures | |
| | | (Dollars in thousands) | |
| | | Three months ended June 30, | | | Six months ended June 30, | |
| | | 2026 | | | 2025 | | | 2026 | | | 2025 | |
| Beginning balance | | $ | 46 | | | $ | 67 | | | $ | 40 | | | $ | 59 | |
| Provision for credit losses | | | 1 | | | | 13 | | | | 7 | | | | 21 | |
| Ending balance | | $ | 47 | | | $ | 80 | | | $ | 47 | | | $ | 80 | |
|
| Financing Receivable Credit Quality Indicators [Table Text Block] |
| | | As of June 30, 2026 | | | | | |
| | | Term loans amortized cost basis by origination year | | | | | | | | | | | | | | | | | |
| | | 2026 | | | 2025 | | | 2024 | | | 2023 | | | 2022 | | | Prior | | | Revolving loans amortized cost basis | | | Revolving loans converted to term loans amortized cost basis | | | Total | |
| | | (Dollars in thousands) | | | | | |
| 1-4 family residential | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Pass | | $ | 9,097 | | | $ | 12,233 | | | $ | 11,408 | | | $ | 12,305 | | | $ | 10,113 | | | $ | 51,525 | | | $ | 7,422 | | | $ | — | | | $ | 114,103 | |
| Special Mention | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Substandard | | | — | | | | 640 | | | | 262 | | | | 1,441 | | | | — | | | | 68 | | | | — | | | | — | | | | 2,411 | |
| Total 1-4 family residential | | | 9,097 | | | | 12,873 | | | | 11,670 | | | | 13,746 | | | | 10,113 | | | | 51,593 | | | | 7,422 | | | | — | | | | 116,514 | |
| Current year-to-date gross write-offs | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Multi-family | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Pass | | | 602 | | | | — | | | | 502 | | | | — | | | | — | | | | 2,671 | | | | — | | | | — | | | $ | 3,775 | |
| Special Mention | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Substandard | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Total multi-family | | | 602 | | | | — | | | | 502 | | | | — | | | | — | | | | 2,671 | | | | — | | | | — | | | | 3,775 | |
| Current year-to-date gross write-offs | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Commercial | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Pass | | | — | | | | — | | | | — | | | | 160 | | | | — | | | | 2,796 | | | | 890 | | | | — | | | $ | 3,846 | |
| Special Mention | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Substandard | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Total commercial | | | — | | | | — | | | | — | | | | 160 | | | | — | | | | 2,796 | | | | 890 | | | | — | | | | 3,846 | |
| Current year-to-date gross write-offs | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Construction | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Pass | | | 332 | | | | 1,802 | | | | 803 | | | | 83 | | | | — | | | | — | | | | — | | | | — | | | $ | 3,020 | |
| Special Mention | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Substandard | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Total construction | | | 332 | | | | 1,802 | | | | 803 | | | | 83 | | | | — | | | | — | | | | — | | | | — | | | | 3,020 | |
| Current year-to-date gross write-offs | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Consumer | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Pass | | | 98 | | | | 117 | | | | 30 | | | | 34 | | | | 30 | | | | 3 | | | | — | | | | — | | | $ | 312 | |
| Special Mention | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Substandard | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Total consumer | | | 98 | | | | 117 | | | | 30 | | | | 34 | | | | 30 | | | | 3 | | | | — | | | | — | | | | 312 | |
| Current year-to-date gross write-offs | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Total | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Pass | | | 10,129 | | | | 14,152 | | | | 12,743 | | | | 12,582 | | | | 10,143 | | | | 56,995 | | | | 8,312 | | | | — | | | | 125,056 | |
| Special Mention | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Substandard | | | — | | | | 640 | | | | 262 | | | | 1,441 | | | | — | | | | 68 | | | | — | | | | — | | | | 2,411 | |
| Total | | | 10,129 | | | | 14,792 | | | | 13,005 | | | | 14,023 | | | | 10,143 | | | | 57,063 | | | | 8,312 | | | | — | | | | 127,467 | |
| Current year-to-date gross write-offs | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | As of December 31, 2025 | |
| | | Term loans amortized cost basis by origination year | | | | | | | | | | | | | |
| | | 2025 | | | 2024 | | | 2023 | | | 2022 | | | 2021 | | | Prior | | | Revolving loans amortized cost basis | | | Revolving loans converted to term loans amortized cost basis | | | Total | |
| | | (Dollars in thousands) | | | | | |
| 1-4 family residential | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Pass | | $ | 16,653 | | | $ | 13,335 | | | $ | 16,423 | | | $ | 10,870 | | | $ | 16,434 | | | $ | 37,769 | | | $ | 6,454 | | | $ | — | | | | 117,938 | |
| Special Mention | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Substandard | | | — | | | | 262 | | | | — | | | | — | | | | — | | | | 22 | | | | — | | | | — | | | | 284 | |
| Total 1-4 family residential | | | 16,653 | | | | 13,597 | | | | 16,423 | | | | 10,870 | | | | 16,434 | | | | 37,791 | | | | 6,454 | | | | — | | | | 118,222 | |
| Current year-to-date gross write-offs | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Multi-family | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Pass | | | — | | | | 507 | | | | — | | | | — | | | | 221 | | | | 2,512 | | | | — | | | | — | | | | 3,240 | |
| Special Mention | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Substandard | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Total multi-family | | | — | | | | 507 | | | | — | | | | — | | | | 221 | | | | 2,512 | | | | — | | | | — | | | | 3,240 | |
| Current year-to-date gross write-offs | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Commercial | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Pass | | | — | | | | — | | | | 165 | | | | — | | | | 92 | | | | 2,834 | | | | 722 | | | | — | | | | 3,813 | |
| Special Mention | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Substandard | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Total commercial | | | — | | | | — | | | | 165 | | | | — | | | | 92 | | | | 2,834 | | | | 722 | | | | — | | | | 3,813 | |
| Current year-to-date gross write-offs | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Construction | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Pass | | | 2,156 | | | | 1,676 | | | | 89 | | | | — | | | | — | | | | — | | | | — | | | | — | | | | 3,921 | |
| Special Mention | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Substandard | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Total construction | | | 2,156 | | | | 1,676 | | | | 89 | | | | — | | | | — | | | | — | | | | — | | | | — | | | | 3,921 | |
| Current year-to-date gross write-offs | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Consumer | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Pass | | | 130 | | | | 46 | | | | 47 | | | | 40 | | | | 3 | | | | 2 | | | | — | | | | — | | | | 268 | |
| Special Mention | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Substandard | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Total consumer | | | 130 | | | | 46 | | | | 47 | | | | 40 | | | | 3 | | | | 2 | | | | — | | | | — | | | | 268 | |
| Current year-to-date gross write-offs | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Total | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Pass | | | 18,939 | | | | 15,564 | | | | 16,724 | | | | 10,910 | | | | 16,750 | | | | 43,117 | | | | 7,176 | | | | — | | | | 129,180 | |
| Special Mention | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Substandard | | | — | | | | 262 | | | | — | | | | — | | | | — | | | | 22 | | | | — | | | | — | | | | 284 | |
| Total | | | 18,939 | | | | 15,826 | | | | 16,724 | | | | 10,910 | | | | 16,750 | | | | 43,139 | | | | 7,176 | | | | — | | | | 129,464 | |
| Current year-to-date gross write-offs | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
|
| Financing Receivable, Past Due [Table Text Block] |
| | | 31-89 Days Past Due and Accruing | | | Greater than 90 Days Past Due and Accruing | | | Non-Accrual | | | Total Past Due and Non-Accrual | | | Current | | | Total Loan Balance | |
| | | (Dollars in thousands) | |
| June 30, 2026 | | | | | | | | | | | | | | | | | | | | | | | | |
| 1-4 family residential | | $ | 89 | | | $ | — | | | $ | 2,411 | | | $ | 2,500 | | | $ | 114,014 | | | $ | 116,514 | |
| Multi-family | | | — | | | | — | | | | — | | | | — | | | | 3,775 | | | | 3,775 | |
| Commercial | | | — | | | | — | | | | — | | | | — | | | | 3,846 | | | | 3,846 | |
| Construction | | | 407 | | | | — | | | | — | | | | 407 | | | | 2,613 | | | | 3,020 | |
| Consumer | | | — | | | | — | | | | — | | | | — | | | | 312 | | | | 312 | |
| Total | | $ | 496 | | | $ | — | | | $ | 2,411 | | | $ | 2,907 | | | $ | 124,560 | | | $ | 127,467 | |
| | | | | | | | | | | | | | | | | | | | | | | | | |
| December 31, 2025 | | | | | | | | | | | | | | | | | | | | | | | | |
| 1-4 family residential | | $ | 641 | | | $ | — | | | $ | 284 | | | $ | 925 | | | $ | 117,297 | | | $ | 118,222 | |
| Multi-family | | | — | | | | — | | | | — | | | | — | | | | 3,240 | | | | 3,240 | |
| Commercial | | | — | | | | — | | | | — | | | | — | | | | 3,813 | | | | 3,813 | |
| Construction | | | — | | | | — | | | | — | | | | — | | | | 3,921 | | | | 3,921 | |
| Consumer | | | — | | | | — | | | | — | | | | — | | | | 268 | | | | 268 | |
| Total | | $ | 641 | | | $ | — | | | $ | 284 | | | $ | 925 | | | $ | 128,539 | | | $ | 129,464 | |
|
| Financing Receivable, Nonaccrual [Table Text Block] |
| | | June 30, 2026 | | | December 31, 2025 | | | January 1, 2025 | |
| | | Nonaccrual with no Allowance for Credit Losses | | | Total Nonaccrual | | | Nonaccrual with no Allowance for Credit Losses | | | Total Nonaccrual | | | Nonaccrual with no Allowance for Credit Losses | | | Total Nonaccrual | |
| | | (Dollars in thousands) |
| First mortgage loans | | | | | | | | | | | | | | | | | | | | | | | | |
| 1-4 family residential | | $ | 2,411 | | | $ | 2,411 | | | $ | 284 | | | $ | 284 | | | $ | — | | | $ | — | |
| Multi-family | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Commercial | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Construction | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Consumer loans | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Total loans | | $ | 2,411 | | | $ | 2,411 | | | $ | 284 | | | $ | 284 | | | $ | — | | | $ | — | |
|