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Note 3 - Available-for-sale Securities - Investment Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Available-for-sale securities, amortized cost	$ 48,559	$ 48,860
Available-for-sale securities, gross unrealized gains	382	405
Available-for-sale securities, gross unrealized losses	(1,118)	(948)
Available-for-sale securities	47,823	48,317
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Available-for-sale securities, amortized cost	15,578	16,663
Available-for-sale securities, gross unrealized gains	139	90
Available-for-sale securities, gross unrealized losses	(12)	(68)
Available-for-sale securities	15,705	16,685
Corporate Debt Securities [Member]
Available-for-sale securities, amortized cost	18,015	18,018
Available-for-sale securities, gross unrealized gains	123	133
Available-for-sale securities, gross unrealized losses	(888)	(838)
Available-for-sale securities	17,250	17,313
Subordinated Notes [Member]
Available-for-sale securities, amortized cost	9,033	9,022
Available-for-sale securities, gross unrealized gains	120	182
Available-for-sale securities, gross unrealized losses	(140)
Available-for-sale securities	9,013	9,204
SBA Loan Pools [Member]
Available-for-sale securities, amortized cost	5,369	5,157
Available-for-sale securities, gross unrealized gains
Available-for-sale securities, gross unrealized losses	(68)
Available-for-sale securities	5,301	5,115
US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities, amortized cost	564
Available-for-sale securities, gross unrealized gains
Available-for-sale securities, gross unrealized losses	(10)
Available-for-sale securities	$ 554
US Treasury Securities [Member]
Available-for-sale securities, amortized cost		5,157
Available-for-sale securities, gross unrealized gains
Available-for-sale securities, gross unrealized losses		(42)
Available-for-sale securities		$ 5,115

X

- Definition

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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