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Note 12 - Fair Value and Interest Rate Risk (Details) - Financial Assets Measured at Fair Value on a Non-recurring Basis - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Note 12 - Fair Value and Interest Rate Risk (Details) - Financial Assets Measured at Fair Value on a Non-recurring Basis [Line Items]
Impaired loans	$ 16,581	$ 12,851
Impaired Loans [Member] | Fair Value, Measurements, Nonrecurring [Member]
Note 12 - Fair Value and Interest Rate Risk (Details) - Financial Assets Measured at Fair Value on a Non-recurring Basis [Line Items]
Impaired loans	2,240	363
Fair Value, Inputs, Level 3 [Member] | Impaired Loans [Member] | Fair Value, Measurements, Nonrecurring [Member]
Note 12 - Fair Value and Interest Rate Risk (Details) - Financial Assets Measured at Fair Value on a Non-recurring Basis [Line Items]
Impaired loans	$ 2,240	$ 363

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- References

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- Definition

Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953550-111524

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