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Note 12 - Fair Value Measurements - Carrying Values and Estimated Values of Financial Instruments (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Fair value, available for sale securities | $ 222,236 | $ 140,225 | [1]
Securities held to maturity | 10,898 |  |
Restricted securities | 1,631 | 1,875 | [1]
Bank owned life insurance | 18,128 | 17,916 | [1]
Reported Value Measurement [Member] |  |  |
Cash and short-term investments | 128,247 | 127,297 |
Fair value, available for sale securities | 222,236 | 140,225 |
Securities held to maturity | 10,898 | 14,234 |
Restricted securities | 1,631 | 1,875 |
Loans, net | 611,883 | 622,429 |
Bank owned life insurance | 18,128 | 17,916 |
Accrued interest receivable | 2,662 | 2,717 |
Derivatives - cash flow hedges | 888 | 431 |
Deposits | 914,305 | 842,461 |
Subordinated debt | 9,992 | 9,991 |
Junior subordinated debt | 9,279 | 9,279 |
Accrued interest payable | 105 | 134 |
Loans held for sale |  | 245 |
Estimate of Fair Value Measurement [Member] |  |  |
Cash and short-term investments | 128,247 | 127,297 |
Fair value, available for sale securities | 222,236 | 140,225 |
Securities held to maturity | 11,163 | 14,743 |
Restricted securities | 1,631 | 1,875 |
Loans, net | 620,501 | 633,638 |
Bank owned life insurance | 18,128 | 17,916 |
Accrued interest receivable | 2,662 | 2,717 |
Derivatives - cash flow hedges | 888 | 431 |
Deposits | 914,897 | 843,418 |
Subordinated debt | 10,892 | 10,304 |
Junior subordinated debt | 10,912 | 10,364 |
Accrued interest payable | 105 | 134 |
Loans held for sale |  | 245 |
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |
Cash and short-term investments | 128,247 | 127,297 |
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 | 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 | 222,236 | 140,225 |
Securities held to maturity | 11,163 | 13,138 |
Restricted securities | 1,631 | 1,875 |
Loans, net | 0 | 0 |
Bank owned life insurance | 18,128 | 17,916 |
Accrued interest receivable | 2,662 | 2,717 |
Derivatives - cash flow hedges | 888 | 431 |
Deposits | 818,573 | 742,264 |
Subordinated debt | 0 | 0 |
Junior subordinated debt | 0 | 0 |
Accrued interest payable | 105 | 134 |
Loans held for sale |  | 245 |
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 | 0 | 1,605 |
Restricted securities | 0 | 0 |
Loans, net | 620,501 | 633,638 |
Bank owned life insurance | 0 | 0 |
Accrued interest receivable | 0 | 0 |
Derivatives - cash flow hedges | 0 | 0 |
Deposits | 96,324 | 101,154 |
Subordinated debt | 10,892 | 10,304 |
Junior subordinated debt | 10,912 | 10,364 |
Accrued interest payable | $ 0 | 0 |
Loans held for sale |  | $ 0 |
[1] | Derived from audited consolidated financial statements.

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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=124258926&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=124260329&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=123581744&loc=d3e27161-111563 + Details
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