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Note 2 - Securities - Summary of Amortized Costs and Fair Values of Securities (Details) - USD ($)
$ in Thousands

Mar. 31, 2021

Dec. 31, 2020

Amortized cost, available for sale securities

$ 157,966

$ 136,355

Gross unrealized gains, available for sale securities

3,014

3,952

Gross unrealized losses, available for sale securities

(1,238)

(82)

Fair value, available for sale securities

159,742

140,225

^[1]

Amortized cost, held to maturity securities

13,424

14,234

^[1]

Gross unrealized gains, held to maturity securities

419

509

Gross unrealized losses, held to maturity securities

Fair value, held to maturity securities

13,843

14,743

^[2]

Amortized cost, total securities

171,390

150,589

Gross unrealized gains, total securities

3,433

4,461

Gross unrealized losses, total securities

(1,238)

(82)

Total securities

173,585

154,968

US Agency and Mortgage-backed Securities [Member]

Amortized cost, available for sale securities

107,951

98,848

Gross unrealized gains, available for sale securities

2,183

2,830

Gross unrealized losses, available for sale securities

(795)

(80)

Fair value, available for sale securities

109,339

101,598

Amortized cost, held to maturity securities

8,781

9,588

Gross unrealized gains, held to maturity securities

212

264

Gross unrealized losses, held to maturity securities

Fair value, held to maturity securities

8,993

9,852

Municipal Bonds [Member]

Amortized cost, available for sale securities

50,015

37,507

Gross unrealized gains, available for sale securities

831

1,122

Gross unrealized losses, available for sale securities

(443)

(2)

Fair value, available for sale securities

50,403

38,627

Amortized cost, held to maturity securities

3,143

3,146

Gross unrealized gains, held to maturity securities

116

140

Gross unrealized losses, held to maturity securities

Fair value, held to maturity securities

3,259

3,286

Corporate Debt Securities [Member]

Amortized cost, held to maturity securities

1,500

1,500

Gross unrealized gains, held to maturity securities

91

105

Gross unrealized losses, held to maturity securities

Fair value, held to maturity securities

$ 1,591

$ 1,605

[1]	Derived from audited consolidated financial statements.
[2]	Derived from audited consolidated financial statements.

X

- Definition

The total amount of available-for-sale and held-to-maturity debt securities measured at amortized cost.

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