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Note 12 - Fair Value Measurements - Carrying Values and Estimated Values of Financial Instruments (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Fair value, available for sale securities | $ 117,132 | $ 120,983 | [1]
Securities held to maturity | 15,101 |  |
Restricted securities | 1,848 | 1,806 | [1]
Bank owned life insurance | 17,792 | 17,447 | [1]
Reported Value Measurement [Member] |  |  |
Cash and short-term investments | 122,206 | 45,785 |
Fair value, available for sale securities | 117,132 | 120,983 |
Securities held to maturity | 15,101 | 17,627 |
Restricted securities | 1,848 | 1,806 |
Loans, net | 640,591 | 569,412 |
Bank owned life insurance | 17,792 | 17,447 |
Accrued interest receivable | 3,156 | 2,065 |
Derivatives - cash flow hedges | 134 |  |
Deposits | 838,395 | 706,442 |
Subordinated debt | 9,987 | 4,983 |
Junior subordinated debt | 9,279 | 9,279 |
Accrued interest payable | 210 | 184 |
Loans held for sale |  | 167 |
Estimate of Fair Value Measurement [Member] |  |  |
Cash and short-term investments | 122,206 | 45,785 |
Fair value, available for sale securities | 117,132 | 120,983 |
Securities held to maturity | 15,638 | 17,646 |
Restricted securities | 1,848 | 1,806 |
Loans, net | 650,423 | 572,910 |
Bank owned life insurance | 17,792 | 17,447 |
Accrued interest receivable | 3,156 | 2,065 |
Derivatives - cash flow hedges | 134 |  |
Deposits | 839,500 | 705,949 |
Subordinated debt | 10,151 | 5,023 |
Junior subordinated debt | 9,835 | 9,724 |
Accrued interest payable | 210 | 184 |
Loans held for sale |  | 167 |
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |
Cash and short-term investments | 122,206 | 45,785 |
Fair value, available for sale securities | 0 | 0 |
Securities held to maturity | 0 | 0 |
Restricted securities | 0 | 0 |
Loans, net | 0 | 0 |
Bank owned life insurance | 0 | 0 |
Accrued interest receivable | 0 | 0 |
Derivatives - cash flow hedges | 0 |  |
Deposits | 0 | 0 |
Subordinated debt | 0 | 0 |
Junior subordinated debt | 0 | 0 |
Accrued interest payable | 0 | 0 |
Loans held for sale |  | 0 |
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Cash and short-term investments | 0 | 0 |
Fair value, available for sale securities | 117,132 | 120,983 |
Securities held to maturity | 14,053 | 16,134 |
Restricted securities | 1,848 | 1,806 |
Loans, net | 0 | 0 |
Bank owned life insurance | 17,792 | 17,447 |
Accrued interest receivable | 3,156 | 2,065 |
Derivatives - cash flow hedges | 134 |  |
Deposits | 736,750 | 588,878 |
Subordinated debt | 0 | 0 |
Junior subordinated debt | 0 | 0 |
Accrued interest payable | 210 | 184 |
Loans held for sale |  | 167 |
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Cash and short-term investments | 0 | 0 |
Fair value, available for sale securities | 0 | 0 |
Securities held to maturity | 1,585 | 1,512 |
Restricted securities | 0 | 0 |
Loans, net | 650,423 | 572,910 |
Bank owned life insurance | 0 | 0 |
Accrued interest receivable | 0 | 0 |
Derivatives - cash flow hedges | 0 |  |
Deposits | 102,750 | 117,071 |
Subordinated debt | 10,151 | 5,023 |
Junior subordinated debt | 9,835 | 9,724 |
Accrued interest payable | $ 0 | 0 |
Loans held for sale |  | $ 0 |
[1] | Derived from audited consolidated financial statements.

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