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Note 16 - Fair Value of Financial Instruments - Schedule of Estimated Fair Value and Related Carrying or Notional Amounts of Company's Financial Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015	Dec. 31, 2014
Reported Value Measurement [Member]
Assets:
Cash and cash equivalents	$ 30,486	$ 44,072
Investment securities available-for-sale, at fair value	199,488	198,843
Investment securities held-to-maturity, at amortized cost	31,978	32,359
Federal funds sold	3,000
Federal Home Loan Bank stock, at cost	730	1,025
Loans, net of allowance for loan losses	$ 263,975	255,432
Other assets – derivatives		3
Liabilities:
Deposits	$ 485,537	479,258
Short-term borrowings	446	7,354
Long-term borrowings	5,000	5,000
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]
Assets:
Cash and cash equivalents, fair value	$ 30,486	$ 44,072
Investment securities available-for-sale, at fair value
Investment securities held-to-maturity, fair value
Federal funds sold	$ 3,000
Federal Home Loan Bank stock, fair value
Loans, net of allowance for loan losses, fair value
Other assets – derivatives, fair value
Liabilities:
Deposits, fair value
Short-term borrowings, fair value
Long-term borrowings, fair value
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]
Assets:
Cash and cash equivalents, fair value
Investment securities available-for-sale, at fair value	$ 199,488	$ 198,843
Investment securities held-to-maturity, fair value	$ 32,003	$ 32,184
Federal funds sold
Federal Home Loan Bank stock, fair value
Loans, net of allowance for loan losses, fair value
Other assets – derivatives, fair value		$ 3
Liabilities:
Deposits, fair value	$ 485,938	478,833
Short-term borrowings, fair value	445	7,352
Long-term borrowings, fair value	$ 4,992	$ 4,977
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member]
Assets:
Cash and cash equivalents, fair value
Investment securities available-for-sale, at fair value
Investment securities held-to-maturity, fair value
Federal funds sold
Federal Home Loan Bank stock, fair value	$ 730	$ 1,025
Loans, net of allowance for loan losses, fair value	$ 265,380	$ 256,392
Other assets – derivatives, fair value
Liabilities:
Deposits, fair value
Short-term borrowings, fair value
Long-term borrowings, fair value
Estimate of Fair Value Measurement [Member]
Assets:
Cash and cash equivalents, fair value	$ 30,486	$ 44,072
Investment securities available-for-sale, at fair value	199,488	198,843
Investment securities held-to-maturity, fair value	32,003	32,184
Federal funds sold	3,000
Federal Home Loan Bank stock, fair value	730	1,025
Loans, net of allowance for loan losses, fair value	$ 265,380	256,392
Other assets – derivatives, fair value		3
Liabilities:
Deposits, fair value	$ 485,938	478,833
Short-term borrowings, fair value	445	7,352
Long-term borrowings, fair value	4,992	4,977
Cash and cash equivalents	30,486	44,072	$ 30,317	$ 34,166
Investment securities available-for-sale, at fair value	199,488	198,843
Investment securities held-to-maturity, at amortized cost	31,978	32,359
Investment securities held-to-maturity, fair value	32,003	$ 32,184
Federal funds sold	3,000
Federal Home Loan Bank stock, at cost	730	$ 1,025
Deposits	485,537	479,258
Short-term borrowings	$ 446	$ 7,354

X

- Definition

Amount of debt securities categorized neither as held-to-maturity nor trading.

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X

- 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

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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

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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.

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X

- 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.

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X

- Definition

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Fair value of the assets less the liabilities of a derivative or group of derivatives.

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X

- Definition

The amount outstanding of funds lent to other depository institutions, securities brokers, or securities dealers in the form of Federal Funds sold; for example, immediately available funds lent under agreements or contracts that mature in one business day or roll over under a continuing contract, regardless of the nature of the transaction or the collateral involved, excluding overnight lending for commercial and industrial purposes. Also include Federal Funds sold under agreements to resell on a gross basis, excluding (1) sales of term Federal Funds, (2) due bills representing purchases of securities or other assets by the reporting bank that have not yet been delivered and similar instruments, (3) resale agreements that mature in more than one business day involving assets other than securities, and (4) yield maintenance dollar repurchase agreements.

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X

- 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).

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- Definition

Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

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Fair value of investments in debt securities classified as held-to-maturity.

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Fair value portion of investments in Federal Home Loan Bank (FHLBank) stock.

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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.

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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. Includes loans held for sale. Excludes loans and leases covered under loss sharing agreements.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The fair value amount of long-term debt 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.

+ References

No definition available.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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+ References

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