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Note 4 - Loan Receivables and Allowance for Loan Losses (Details) - Loans Modified in a Troubled Debt Restructuring $ in Thousands	12 Months Ended
	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Note 4 - Loan Receivables and Allowance for Loan Losses (Details) - Loans Modified in a Troubled Debt Restructuring [Line Items]
Number of Relationships	2	2
Pre-Modification Outstanding Recorded Investment	$ 2,439	$ 4,730
Number of Relationships	2	1
Post-Modification Outstanding Recorded Investment	$ 2,430	$ 991
Commercial Real Estate Portfolio Segment [Member]
Note 4 - Loan Receivables and Allowance for Loan Losses (Details) - Loans Modified in a Troubled Debt Restructuring [Line Items]
Number of Relationships	2
Pre-Modification Outstanding Recorded Investment	$ 2,439
Number of Relationships	2
Post-Modification Outstanding Recorded Investment	$ 2,430
Construction to Permanent Portfolio Segment [Member]
Note 4 - Loan Receivables and Allowance for Loan Losses (Details) - Loans Modified in a Troubled Debt Restructuring [Line Items]
Number of Relationships		2
Pre-Modification Outstanding Recorded Investment		$ 4,730
Number of Relationships		1
Post-Modification Outstanding Recorded Investment		$ 991

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- 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=49124121&loc=SL6953676-111524

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- Definition

Pre-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=49124121&loc=SL6953676-111524

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