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Note 4 - Loans and Allowance for Loan Losses (Details) - Allowance for Loan Losses Activity (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2013 | Jun. 30, 2012
Allowance for loan losses: |  |  |  |
Beginning balance | $ 6,672 | $ 6,847 | $ 6,905 | $ 7,344
Provision for loan losses | (189) | 524 | (158) | 1,840
Loans charged off | (384) | (445) | (1,180) | (2,723)
Recoveries | 369 | 601 | 901 | 1,066
Total ending allowance balance | 6,468 | 7,527 | 6,468 | 7,527
Residential Portfolio Segment [Member] |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning balance | 1,314 | 1,491 | 1,329 | 1,730
Provision for loan losses | (182) | 18 | 145 | 295
Loans charged off | (100) | (85) | (457) | (678)
Recoveries | 160 | 19 | 175 | 96
Total ending allowance balance | 1,192 | 1,443 | 1,192 | 1,443
Commercial Real Estate Portfolio Segment [Member] |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning balance | 3,744 | 3,423 | 3,946 | 3,623
Provision for loan losses | (715) | 1,004 | (1,193) | 1,896
Loans charged off | 0 | (62) | (2) | (1,158)
Recoveries | 5 | 4 | 283 | 8
Total ending allowance balance | 3,034 | 4,369 | 3,034 | 4,369
Commercial and Industrial [Member] |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning balance | 761 | 623 | 783 | 636
Provision for loan losses | 565 | (319) | 532 | (407)
Loans charged off | 0 | 0 | 0 | (70)
Recoveries | 16 | 349 | 27 | 494
Total ending allowance balance | 1,342 | 653 | 1,342 | 653
Consumer Portfolio Segment [Member] |  |  |  |
Allowance for loan losses: |  |  |  |
Beginning balance | 853 | 1,310 | 847 | 1,355
Provision for loan losses | 143 | (179) | 358 | 56
Loans charged off | (284) | (298) | (721) | (817)
Recoveries | 188 | 229 | 416 | 468
Total ending allowance balance | $ 900 | $ 1,062 | $ 900 | $ 1,062

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- Definition A valuation allowance for financing receivables that are expected to be uncollectible. + 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)(1) -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953423-111524 + Details
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- Definition Amount of recovery of financing receivables doubtful of collection that were previously charged off. + 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)(4) -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953423-111524 + Details
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- Definition Amount of direct write-downs of financing receivables charged against the allowance. + 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)(3) -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953423-111524 + 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 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 11 -Article 9 Reference 3: 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=28368275&loc=SL6953423-111524 Reference 4: 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 + Details
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