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Note 18 - Fair Value Measurements (Details) - Assets Measured on a Nonrecurring Basis - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Note 18 - Fair Value Measurements (Details) - Assets Measured on a Nonrecurring Basis [Line Items]
Impaired loans	$ 13,681	$ 14,368
Other real estate owned	1,400	2,600
Estimate of Fair Value Measurement [Member] | Fair Value, Measurements, Nonrecurring [Member]
Note 18 - Fair Value Measurements (Details) - Assets Measured on a Nonrecurring Basis [Line Items]
Impaired loans	12,848	12,772
Other real estate owned	1,412	2,590
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Note 18 - Fair Value Measurements (Details) - Assets Measured on a Nonrecurring Basis [Line Items]
Impaired loans	12,848	12,772
Other real estate owned	$ 1,412	$ 2,590

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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=49124121&loc=SL6953550-111524

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Carrying amount as of the balance sheet date of land and buildings obtained through foreclosure proceedings or defeasance in full or partial satisfaction of a debt arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5162-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4437-111522

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 28
-Article 12

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Paragraph c
-Subparagraph Schedule III
-Article 5

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