Note 5 - Loans (Details) - Loans Modified (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015
Note 5 - Loans (Details) - Loans Modified [Line Items]
Troubled debt restructurings, number of loans	1
Troubled debt restructurings, pre-modification outstanding recorded investment	$ 52
Troubled debt restructurings, post-modification outstanding recorded investment	52
Single Family Real Estate [Member]
Note 5 - Loans (Details) - Loans Modified [Line Items]
Troubled debt restructurings, number of loans	1
Troubled debt restructurings, pre-modification outstanding recorded investment	52
Troubled debt restructurings, post-modification outstanding recorded investment	52
Term Concessions [Member]
Note 5 - Loans (Details) - Loans Modified [Line Items]
Troubled debt restructurings, number of loans	1
Troubled debt restructurings, pre-modification outstanding recorded investment	52
Troubled debt restructurings, post-modification outstanding recorded investment	$ 52

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Number of 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 10

-Section 50

-Paragraph 33

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953676-111524

+ Details

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+ References

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- Definition

Pre-modification amount of investment in financing receivables modified by troubled debt restructurings.

+ References

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