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Note 7 - Loans And Related Allowance For Loan Losses (Detail) - Primary Segments of the Loan Portfolio (USD $) In Thousands, unless otherwise specified | Mar. 31, 2013 | Dec. 31, 2012
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Loans: |  |
Individually evaluated for impairment | $ 19,391 | $ 21,288
Collectively evaluated for impairment | 387,663 | 387,145
Total loans | 407,054 | 408,433
Commercial and Industrial [Member] |  |
Loans: |  |
Individually evaluated for impairment | 2,975 | 4,592
Collectively evaluated for impairment | 52,426 | 57,596
Total loans | 55,401 | 62,188
Real Estate Construction [Member] |  |
Loans: |  |
Individually evaluated for impairment | 3,772 | 3,993
Collectively evaluated for impairment | 19,045 | 18,529
Total loans | 22,817 | 22,522
Residential Real Estate Mortgage [Member] |  |
Loans: |  |
Individually evaluated for impairment | 5,794 | 5,761
Collectively evaluated for impairment | 193,269 | 198,111
Total loans | 199,063 | 203,872
Commercial Real Estate Mortgage [Member] |  |
Loans: |  |
Individually evaluated for impairment | 6,832 | 6,914
Collectively evaluated for impairment | 118,967 | 108,820
Total loans | 125,799 | 115,734
Consumer Installment [Member] |  |
Loans: |  |
Individually evaluated for impairment | 18 | 28
Collectively evaluated for impairment | 3,956 | 4,089
Total loans | $ 3,974 | $ 4,117

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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=7512638&loc=SL6953423-111524 + Details
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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=7512638&loc=SL6953423-111524 + Details
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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 OTS -Name Federal Regulation (FR) -Number Title 12 -Section 563c.102 -Paragraph 8 -Subparagraph e -Chapter V -Subsection I -LegacyDoc This is a non-GAAP reference that was included in the 2009 taxonomy. It will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-DEP -Paragraph 116 -IssueDate 2006-05-01 -Chapter 8 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: 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=7512638&loc=d3e5074-111524 Reference 4: 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=6375948&loc=d3e4428-111522 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 01-6 -Paragraph 13 -Subparagraph e -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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