A valuation allowance for financing receivables that are expected to be uncollectible.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524

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Period Type:	instant

- Definition

The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524

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- Definition

Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524

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- Definition

The balance of financing receivables that were collectively evaluated for impairment.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524

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- Definition

The balance of financing receivables that were individually evaluated for impairment.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524

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- Definition

Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=65884687&loc=d3e4428-111522

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5074-111524

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Note 5 - Loans and Allowance for Loan Losses - Allowance for Loan Losses and the Recorded Investment of Loans Based On Impairment Method (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Jun. 30, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Dec. 31, 2014
Residential Portfolio Segment [Member]
Individually evaluated for impairment
Collectively evaluated for impairment	1,013		1,087
Total ending allowance balance	1,013	$ 906	1,087	$ 1,243	$ 1,230	$ 1,426
Loans individually evaluated for impairment	724		1,001
Loans collectively evaluated for impairment	272,611		222,874
Total ending loans balance	273,335		223,875
Commercial Real Estate Portfolio Segment [Member]
Individually evaluated for impairment	2,705		311
Collectively evaluated for impairment	1,569		1,648
Total ending allowance balance	4,274	3,464	1,959	2,000	2,795	4,195
Loans individually evaluated for impairment	13,391		7,318
Loans collectively evaluated for impairment	202,230		161,994
Total ending loans balance	215,621		169,312
Commercial and Industrial Portfolio Segment [Member]
Individually evaluated for impairment	245		1,850
Collectively evaluated for impairment	734		739
Total ending allowance balance	979	1,416	2,589	2,503	2,287	1,602
Loans individually evaluated for impairment	9,099		8,691
Loans collectively evaluated for impairment	88,093		73,245
Total ending loans balance	97,192		81,936
Consumer Portfolio Segment [Member]
Individually evaluated for impairment	2		3
Collectively evaluated for impairment	1,269		1,010
Total ending allowance balance	1,271	1,148	1,013	1,156	1,132	1,111
Loans individually evaluated for impairment	216		218
Loans collectively evaluated for impairment	135,223		110,411
Total ending loans balance	135,439		110,629
Individually evaluated for impairment	2,952		2,164
Collectively evaluated for impairment	4,585		4,484
Total ending allowance balance	7,537	$ 6,934	6,648	$ 6,902	$ 7,444	$ 8,334
Loans individually evaluated for impairment	23,430		17,228
Loans collectively evaluated for impairment	698,157		568,524
Total ending loans balance	$ 721,587		$ 585,752