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v3.25.1

Note 3 - Investment Securities - Schedule of Investment Securities (Details) (Parentheticals) - US Government Agencies Debt Securities [Member] | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Minimum [Member] |  |
Maturity date | Apr. 01, 2025 | Jan. 01, 2025
Maximum [Member] |  |
Maturity date | Jan. 31, 2026 | Dec. 31, 2025

X
- Definition Date of maturity of investment in debt security measured at amortized cost (held-to-maturity), in YYYY-MM-DD format. + References No definition available. + Details
Name: | us-gaap_HeldtomaturitySecuritiesDebtMaturitiesDate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USGovernmentAgenciesDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |