Note 3 - Securities - Maturity of Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Due in one year or less, amortized cost	$ 0
Due in one year or less, fair value	0
Due after one year through five years, amortized cost	4,927
Due after one year through five years, fair value	4,759
Due after five through ten years, amortized cost	35,787
Due after five years through ten years, fair value	32,065
Due after ten years, amortized cost	79,545
Due after ten years, fair value	57,144
Securities available-for-sale, amortized cost	169,927	$ 186,405
Securities available-for-sale, fair value	135,422	186,270
Mortgage-Backed Securities, Issued by US Government Sponsored Enterprises [Member]
Securities without maturity date, amortized cost	6,794
Securities without maturity date, fair value	5,969
Securities available-for-sale, amortized cost	6,794	12,049
Securities available-for-sale, fair value	5,969	12,035
Collateralized Mortgage Obligations [Member]
Securities without maturity date, amortized cost	42,874
Securities without maturity date, fair value	35,485
Securities available-for-sale, amortized cost	42,874	50,202
Securities available-for-sale, fair value	$ 35,485	$ 49,490

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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