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Note 7 - Loans and Related Allowance for Loan and Lease Losses (Details) - Allowance for Loan Losses - USD ($) | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Dec. 31, 2014
Ending allowance balance attributable to loans: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | $ 625,000 | $ 1,596,000
Collectively evaluated for impairment |  |  |  |  | 5,695,000 | 5,250,000
Total ending allowance balance | $ 6,320,000 | $ 7,288,000 | $ 6,320,000 | $ 7,046,000 | 6,320,000 | 6,846,000
Ending allowance balance attributable to loans: |  |  |  |  |  |
ALLL balance, period start | 6,346,000 | 7,129,000 | 6,846,000 | 7,046,000 |  |
ALLL balance, period end | 6,320,000 | 7,288,000 | 6,320,000 | 7,288,000 |  |
Charge-offs | (229,000) | (32,000) | (1,109,000) | (616,000) |  |
Recoveries | 98,000 | 121,000 | 373,000 | 488,000 |  |
Provision | 105,000 | 70,000 | 210,000 | 370,000 |  |
Commercial and Industrial [Member] |  |  |  |  |  |
Ending allowance balance attributable to loans: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 119,000 | 83,000
Collectively evaluated for impairment |  |  |  |  | 459,000 | 559,000
Total ending allowance balance | 578,000 | 686,000 | 578,000 | 614,000 | 578,000 | 642,000
Ending allowance balance attributable to loans: |  |  |  |  |  |
ALLL balance, period start | 610,000 | 596,000 | 642,000 | 614,000 |  |
ALLL balance, period end | 578,000 | 686,000 | 578,000 | 686,000 |  |
Charge-offs | (100,000) | (3,000) | (196,000) | (95,000) |  |
Recoveries | 5,000 | 23,000 | 186,000 | 88,000 |  |
Provision | 63,000 | 70,000 | (54,000) | 79,000 |  |
Real Estate Construction Porfolio Segment [Member] |  |  |  |  |  |
Ending allowance balance attributable to loans: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 153,000 | 589,000
Collectively evaluated for impairment |  |  |  |  | 181,000 | 279,000
Total ending allowance balance | 334,000 | 843,000 | 334,000 | 576,000 | 334,000 | 868,000
Ending allowance balance attributable to loans: |  |  |  |  |  |
ALLL balance, period start | 363,000 | 423,000 | 868,000 | 576,000 |  |
ALLL balance, period end | 334,000 | 843,000 | 334,000 | 843,000 |  |
Charge-offs | 0 | 0 | (385,000) | 0 |  |
Recoveries | 0 |  | 0 | 60,000 |  |
Provision | (29,000) | 420,000 | (149,000) | 207,000 |  |
Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member] |  |  |  |  |  |
Ending allowance balance attributable to loans: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 267,000 | 892,000
Collectively evaluated for impairment |  |  |  |  | 3,159,000 | 2,811,000
Total ending allowance balance | 3,426,000 | 3,950,000 | 3,426,000 | 3,664,000 | 3,426,000 | 3,703,000
Ending allowance balance attributable to loans: |  |  |  |  |  |
ALLL balance, period start | 3,347,000 | 4,130,000 | 3,703,000 | 3,664,000 |  |
ALLL balance, period end | 3,426,000 | 3,950,000 | 3,426,000 | 3,950,000 |  |
Charge-offs | (124,000) | (24,000) | (425,000) | (481,000) |  |
Recoveries | 81,000 | 94,000 | 161,000 | 289,000 |  |
Provision | 122,000 | (250,000) | (13,000) | 478,000 |  |
Commercial Portfolio Segment [Member] | Commercial Loans [Member] |  |  |  |  |  |
Ending allowance balance attributable to loans: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 86,000 | 30,000
Collectively evaluated for impairment |  |  |  |  | 1,853,000 | 1,546,000
Total ending allowance balance | 1,939,000 | 1,754,000 | 1,939,000 | 2,170,000 | 1,939,000 | 1,576,000
Ending allowance balance attributable to loans: |  |  |  |  |  |
ALLL balance, period start | 1,978,000 | 1,925,000 | 1,576,000 | 2,170,000 |  |
ALLL balance, period end | 1,939,000 | 1,754,000 | 1,939,000 | 1,754,000 |  |
Charge-offs | (5,000) | 0 | (92,000) | 0 |  |
Recoveries | 5,000 |  | 5,000 | 40,000 |  |
Provision | (39,000) | (171,000) | 450,000 | (456,000) |  |
Consumer Portfolio Segment [Member] |  |  |  |  |  |
Ending allowance balance attributable to loans: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0 | 2,000
Collectively evaluated for impairment |  |  |  |  | 43,000 | 55,000
Total ending allowance balance | 43,000 | 55,000 | 43,000 | 22,000 | $ 43,000 | $ 57,000
Ending allowance balance attributable to loans: |  |  |  |  |  |
ALLL balance, period start | 48,000 | 55,000 | 57,000 | 22,000 |  |
ALLL balance, period end | 43,000 | 55,000 | 43,000 | 55,000 |  |
Charge-offs |  | (5,000) | (11,000) | (40,000) |  |
Recoveries | 7,000 | 4,000 | 21,000 | 11,000 |  |
Provision | $ (12,000) | $ 1,000 | $ (24,000) | $ 62,000 |  |

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- Definition Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts. + 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=49124121&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 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524 Reference 2: 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=49124121&loc=SL6953423-111524 Reference 3: 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 4: 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 5: 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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