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Note 4 - Fair Value Measurements (Details) - Estimated Fair Value of the Company’s Financial Instruments - USD ($) $ in Thousands | Mar. 31, 2016 | Dec. 31, 2015 | Mar. 31, 2015 | Dec. 31, 2014
--- | --- | --- | --- | ---
Financial assets: |  |  |  |
Cash and cash equivalents | $ 30,220 | $ 23,750 | $ 45,262 | $ 25,639
Cash and cash equivalents, fair value | 30,220 | 23,750 |  |
Investment securities |  |  |  |
Available for sale | 142,560 | 146,520 |  |
Available for sale, fair value | 142,560 | 146,520 |  |
Loans held for sale | 176 | 1,107 |  |
Loans held for sale, fair value | 176 | 1,107 |  |
Net loans | 523,999 | 527,325 |  |
Net loans, fair value | 531,917 | 534,021 |  |
Bank-owned life insurance | 13,240 | 13,141 |  |
Bank-owned life insurance, fair value | 13,240 | 13,141 |  |
Federal Home Loan Bank stock | 1,887 | 1,887 |  |
Federal Home Loan Bank stock, fair value | 1,887 | 1,887 |  |
Accrued interest receivable | 2,650 | 2,387 |  |
Accrued interest receivable, fair value | 2,650 | 2,387 |  |
Financial liabilities: |  |  |  |
Deposits | 631,406 | 624,447 |  |
Deposits, fair value | 623,097 | 624,973 |  |
Short-term borrowings | 26,124 | 35,825 |  |
Short-term borrowings, fair value | 26,124 | 35,825 |  |
Other borrowings | 9,875 | 9,939 |  |
Other borrowings, fair value | 12,606 | 10,063 |  |
Accrued interest payable | 389 | 395 |  |
Accrued interest payable, fair value | 389 | 395 |  |
Fair Value, Inputs, Level 1 [Member] |  |  |  |
Financial assets: |  |  |  |
Cash and cash equivalents, fair value | 30,220 | 23,750 |  |
Investment securities |  |  |  |
Available for sale | 5 | 5 |  |
Available for sale, fair value | 5 | 5 |  |
Bank-owned life insurance | 13,240 | 13,141 |  |
Bank-owned life insurance, fair value | 13,240 | 13,141 |  |
Federal Home Loan Bank stock | 1,887 | 1,887 |  |
Federal Home Loan Bank stock, fair value | 1,887 | 1,887 |  |
Accrued interest receivable | 2,650 | 2,387 |  |
Accrued interest receivable, fair value | 2,650 | 2,387 |  |
Financial liabilities: |  |  |  |
Deposits, fair value | 442,970 | 433,226 |  |
Short-term borrowings, fair value | 26,124 | 35,825 |  |
Accrued interest payable | 389 | 395 |  |
Accrued interest payable, fair value | 389 | 395 |  |
Fair Value, Inputs, Level 2 [Member] |  |  |  |
Investment securities |  |  |  |
Available for sale | 142,555 | 146,515 |  |
Available for sale, fair value | 142,555 | 146,515 |  |
Loans held for sale, fair value | 176 | 1,107 |  |
Fair Value, Inputs, Level 3 [Member] |  |  |  |
Investment securities |  |  |  |
Net loans, fair value | 531,917 | 534,021 |  |
Financial liabilities: |  |  |  |
Deposits, fair value | 180,127 | 191,747 |  |
Other borrowings, fair value | $ 12,606 | $ 10,063 |  |

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3044-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 + Details
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- Definition The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.12) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Fair value portion of deposit liabilities held by the entity, including, but not limited to, foreign and domestic, interest and noninterest bearing, demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits. + References No definition available. + Details
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- Definition Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 325 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6478792&loc=d3e63345-112809 + Details
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- Definition Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.8) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=65884687&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Glossary Loan -URI http://asc.fasb.org/extlink&oid=6517073 + Details
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- Definition The carrying amount as of the balance sheet date for the aggregate of other miscellaneous borrowings owed by the reporting entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13,16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents the amount of short-term debt existing as of the balance sheet date. + References No definition available. + Details
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