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Note 3 - Acquisition Activity - Pro Forma Financial Information (Details) - The Peoples Bank [Member] - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Summary of Operations
Net interest income	$ 9,725	$ 9,045	$ 28,565	$ 26,609
Provision for loan and lease losses	789	373	2,149	1,464
Net interest income after provision for loan and lease losses	8,936	8,672	26,416	25,145
Non-interest income	2,166	1,292	4,604	3,555
Non-interest expense	10,175	8,178	26,914	23,971
Income before income taxes	927	1,786	4,106	4,729
Provision for income taxes	370	530	1,072	1,433
Net income	$ 557	$ 1,256	$ 3,034	$ 3,296
Basic net income per share (in dollars per share)	$ 0.09	$ 0.20	$ 0.47	$ 0.52
Diluted net income per share (in dollars per share)	$ 0.08	$ 0.19	$ 0.45	$ 0.49

X

- Definition

The pro forma income before income taxes for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

No definition available.

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- Definition

The pro forma net interest income for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

No definition available.

+ Details

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- Definition

The pro forma net interest income after provision for loan and lease losses for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

No definition available.

+ Details

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- Definition

The pro forma non-interest expense for the period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma non-interest income for the period as if the business combination or combinations had been completed at the beginning of a period.

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No definition available.

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- Definition

The pro forma provision for income taxes for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

No definition available.

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The pro forma provision for loan and lease losses for the period as if the business combination or combinations had been completed at the beginning of a period.

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No definition available.

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- Definition

The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(3)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(3)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
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- Definition

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(3)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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