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Note 5 - Loans - Loans Modified and Classified as TDR (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)
One-To-Four Family - Residential Portfolio Segment [Member] | Interest Rate Below Market Reduction [Member]
Financing Receivable, Modifications, Number of Contracts			2
Financing Receivable, Modifications, Balance			$ 263
Commercial Business and Other Portfolio Segment [Member] | Interest Rate Below Market Reduction [Member]
Financing Receivable, Modifications, Number of Contracts			2
Financing Receivable, Modifications, Balance			$ 739
Small Business Administration Portfolio Segment [Member] | Interest Rate Below Market Reduction [Member]
Financing Receivable, Modifications, Number of Contracts				1
Financing Receivable, Modifications, Balance				$ 41
Financing Receivable, Modifications, Number of Contracts	0	0	4	1
Financing Receivable, Modifications, Balance			$ 1,002	$ 41

X

- Definition

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=66008989&loc=SL6953676-111524

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X

- Definition

Post-modification amount of investment in financing receivables 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=66008989&loc=SL6953676-111524

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- Details

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