Note 9 - Borrowed Funds - Schedule of Maturities of Long-term Debt (Details) - USD ($)	Sep. 30, 2022	Dec. 31, 2021
Long-Term Debt, Total	$ 663,000	$ 679,000
Long-Term Debt [Member]
2022	5,000
2023	22,000
2024	23,000
2025	24,000
2026	589,000
Thereafter	0
Long-Term Debt, Total	663,000
Subordinated Debt [Member]
2022	0
2023	0
2024	0
2025	0
2026	0
Thereafter	105,000,000
Long-Term Debt, Total	105,000,000
Subordinated Debentures Owed To Unconsolidated Subsidiary Trusts [Member]
2022	0
2023	0
2024	0
2025	0
2026	0
Thereafter	19,589,000
Long-Term Debt, Total	$ 19,589,000

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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