Note D - Loans and Allowance for Loan Losses - Allowance for Loan Losses Activity by Portfolio Segment (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Balance	$ 6,648	$ 8,334	$ 6,155
Provision for loan losses	2,826	1,090	2,787
Loans charged off	(3,203)	(4,251)	(1,979)
Recoveries	1,428	1,475	1,371
Balance	7,699	6,648	8,334
Residential Portfolio Segment [Member]
Balance	1,087	1,426	1,169
Provision for loan losses	(63)	103	458
Loans charged off	(384)	(828)	(487)
Recoveries	299	386	286
Balance	939	1,087	1,426
Commercial Real Estate Portfolio Segment [Member]
Balance	1,959	4,195	2,914
Provision for loan losses	2,287	(469)	1,408
Loans charged off	(63)	(1,971)	(235)
Recoveries	132	204	108
Balance	4,315	1,959	4,195
Commercial and Industrial Portfolio Segment [Member]
Balance	2,589	1,602	1,279
Provision for loan losses	(1,112)	777	(28)
Loans charged off	(586)	(24)	(41)
Recoveries	16	234	392
Balance	907	2,589	1,602
Consumer Portfolio Segment [Member]
Balance	1,013	1,111	793
Provision for loan losses	1,714	679	949
Loans charged off	(2,170)	(1,428)	(1,216)
Recoveries	981	651	585
Balance	$ 1,538	$ 1,013	$ 1,111

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

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Balance Type:	credit
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- Definition

Amount of recovery of financing receivables doubtful of collection that were previously charged off.

+ References

+ Details

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- Definition

Amount of direct write-downs of financing receivables charged against the allowance.

+ References

+ Details

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- Definition

Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

+ 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 (c)(2)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.11)
-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

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