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Note 12 - Fair Value Measurements - Carrying Values and Estimated Values of Financial Instruments (Details) - USD ($) $ in Thousands | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Fair value, available for sale securities | $ 123,193 | $ 120,983
Securities held to maturity | 16,211 |
Restricted securities | 1,848 | 1,806
Bank owned life insurance | 17,661 | 17,447
Fair Value, Inputs, Level 1 [Member] |  |
Fair value, available for sale securities | 0 | 0
Fair Value, Inputs, Level 2 [Member] |  |
Fair value, available for sale securities | 123,193 | 120,983
Fair Value, Inputs, Level 3 [Member] |  |
Fair value, available for sale securities | 0 | 0
Reported Value Measurement [Member] |  |
Cash and short-term investments | 108,279 | 45,785
Fair value, available for sale securities | 123,193 | 120,983
Securities held to maturity | 16,211 | 17,627
Restricted securities | 1,848 | 1,806
Loans held for sale | 170 | 167
Loans, net | 645,220 | 569,412
Bank owned life insurance | 17,661 | 17,447
Accrued interest receivable | 3,863 | 2,065
Deposits | 839,015 | 706,442
Subordinated debt | 9,982 | 4,983
Junior subordinated debt | 9,279 | 9,279
Derivatives - cash flow hedges | 31 |
Accrued interest payable | 154 | 184
Estimate of Fair Value Measurement [Member] |  |
Cash and short-term investments | 108,279 | 45,785
Fair value, available for sale securities | 123,193 | 120,983
Securities held to maturity | 16,737 | 17,646
Restricted securities | 1,848 | 1,806
Loans held for sale | 170 | 167
Loans, net | 650,607 | 572,910
Bank owned life insurance | 17,661 | 17,447
Accrued interest receivable | 3,863 | 2,065
Deposits | 840,151 | 705,949
Subordinated debt | 10,173 | 5,023
Junior subordinated debt | 8,988 | 9,724
Derivatives - cash flow hedges | 31 |
Accrued interest payable | 154 | 184
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Cash and short-term investments | 108,279 | 45,785
Fair value, available for sale securities | 0 | 0
Securities held to maturity | 0 | 0
Restricted securities | 0 | 0
Loans held for sale | 0 | 0
Loans, net | 0 | 0
Bank owned life insurance | 0 | 0
Accrued interest receivable | 0 | 0
Deposits | 0 | 0
Subordinated debt | 0 | 0
Junior subordinated debt | 0 | 0
Derivatives - cash flow hedges | 0 |
Accrued interest payable | 0 | 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 | 123,193 | 120,983
Securities held to maturity | 15,148 | 16,134
Restricted securities | 1,848 | 1,806
Loans held for sale | 170 | 167
Loans, net | 0 | 0
Bank owned life insurance | 17,661 | 17,447
Accrued interest receivable | 3,863 | 2,065
Deposits | 724,738 | 588,878
Subordinated debt | 0 | 0
Junior subordinated debt | 0 | 0
Derivatives - cash flow hedges | 31 |
Accrued interest payable | 154 | 184
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 | 1,589 | 1,512
Restricted securities | 0 | 0
Loans held for sale | 0 | 0
Loans, net | 650,607 | 572,910
Bank owned life insurance | 0 | 0
Accrued interest receivable | 0 | 0
Deposits | 115,413 | 117,071
Subordinated debt | 10,173 | 5,023
Junior subordinated debt | 8,988 | 9,724
Derivatives - cash flow hedges | 0 |
Accrued interest payable | $ 0 | $ 0

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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121558606&loc=SL82898722-210454 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121553693&loc=d3e26610-111562 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563 + Details
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