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Note 4 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) - Allowance Roll-forward and Related Loan Balance by Portfolio Segments (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2014 | Mar. 31, 2013
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Balance | $ 8,227 | $ 8,349
Charge-offs | (191) | (754)
Recoveries | 158 | 25
Provision for loan losses | 103 | 671
Balance | 8,297 | 8,291
Real Estate Construction [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Balance | 863 | 1,070
Charge-offs | (2) | (184)
Provision for loan losses | (11) | 287
Balance | 850 | 1,173
Consumer Real Estate [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Balance | 1,697 | 2,263
Charge-offs | (54) | (53)
Provision for loan losses | 171 | (364)
Balance | 1,814 | 1,846
Commercial Real Estate Loans [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Balance | 3,685 | 3,442
Charge-offs | (52) | (35)
Recoveries | 8 |
Provision for loan losses | 53 | (118)
Balance | 3,694 | 3,289
Commercial Non Real Estate [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Balance | 989 | 959
Charge-offs |  | (404)
Recoveries | 131 | 16
Provision for loan losses | (259) | 705
Balance | 861 | 1,276
Public Sector and IDA [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Balance | 132 | 142
Provision for loan losses | 70 | (32)
Balance | 202 | 110
Consumer Non Real Estate [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Balance | 576 | 424
Charge-offs | (83) | (78)
Recoveries | 19 | 9
Provision for loan losses | 17 | 230
Balance | 529 | 585
Unallocated [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Balance | 285 | 49
Provision for loan losses | 62 | (37)
Balance | $ 347 | $ 12

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- 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 allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for 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 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph d -Article 9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section L -Subsection 1 + Details
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- Definition Amount of expense related to estimated loss from loan and lease transactions. + 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 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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