Note 6 - Loans Receivable and Allowance for Loan Losses (Details) - Troubled Debt Restructurings $ in Thousands	Jun. 30, 2015 USD ($)	Dec. 31, 2014 USD ($)
Financing Receivable, Modifications [Line Items]
Number of loans	4	3
Troubled debt restructurings, accrual status	$ 7,865	$ 7,921
Troubled debt restructurings, non-accrual status	1,819	1,673
Troubled debt restructurings	$ 9,684	$ 9,594
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number of loans	1	1
Troubled debt restructurings, accrual status	$ 6,027	$ 6,069
Troubled debt restructurings, non-accrual status	0	0
Troubled debt restructurings	$ 6,027	$ 6,069
Construction and Land Development Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number of loans	0	0
Troubled debt restructurings, accrual status	$ 0	$ 0
Troubled debt restructurings, non-accrual status	0	0
Troubled debt restructurings	$ 0	$ 0
Commercial Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number of loans	2	1
Troubled debt restructurings, accrual status	$ 0	$ 0
Troubled debt restructurings, non-accrual status	1,819	1,673
Troubled debt restructurings	$ 1,819	$ 1,673
Owner Occupied Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of loans	1	1
Troubled debt restructurings, accrual status	$ 1,838	$ 1,852
Troubled debt restructurings, non-accrual status	0	0
Troubled debt restructurings	$ 1,838	$ 1,852
Consumer Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number of loans	0	0
Troubled debt restructurings, accrual status	$ 0	$ 0
Troubled debt restructurings, non-accrual status	0	0
Troubled debt restructurings	$ 0	$ 0
Residential Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number of loans	0	0
Troubled debt restructurings, accrual status	$ 0	$ 0
Troubled debt restructurings, non-accrual status	0	0
Troubled debt restructurings	$ 0	$ 0

Cumulative number of financing receivables that have been modified by troubled debt restructurings.

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- Definition

Recorded investment in financing receivables that have undergone troubled debt restructuring and are accruing.

+ References

No definition available.

+ Details

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- Definition

Recorded investment in financing receivables that have undergone troubled debt restructuring and are not accruing.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 40

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18845-111554

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