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Note 7 - Loans and Related Allowance for Loan Losses - Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
ALLL balance, period start | $ 6,720 | $ 6,357 | $ 6,598 | $ 6,385
Charge-offs | (474) | (275) | (682) | (452)
Recoveries | 189 | 179 | 354 | 223
Provision | 170 | 105 | 335 | 210
ALLL balance, period end | 6,605 | 6,366 | 6,605 | 6,366
Commercial And Industrial [Member] |  |  |  |
ALLL balance, period start | 616 | 583 | 448 | 867
Charge-offs | (415) | (3) | (435) | (123)
Recoveries | 65 | 9 | 144 | 47
Provision | 347 | (105) | 456 | (307)
ALLL balance, period end | 613 | 484 | 613 | 484
Real Estate Construction Porfolio Segment [Member] |  |  |  |
ALLL balance, period start | 186 | 247 | 172 | 276
Charge-offs |  |  |  |
Recoveries | 6 |  | 22 |
Provision | 10 | (88) | 8 | (117)
ALLL balance, period end | 202 | 159 | 202 | 159
Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member] |  |  |  |
ALLL balance, period start | 2,523 | 2,716 | 2,818 | 3,139
Charge-offs | (7) | (202) | (74) | (244)
Recoveries | 7 | 28 | 14 | 31
Provision | (756) | 246 | (991) | (138)
ALLL balance, period end | 1,767 | 2,788 | 1,767 | 2,788
Real Estate Mortgage Portfolio Segment [Member] | Commercial Loans [Member] |  |  |  |
ALLL balance, period start | 3,378 | 2,783 | 3,135 | 2,078
Charge-offs |  | (70) | (19) | (70)
Recoveries |  | 140 |  | 140
Provision | 634 | 56 | 896 | 761
ALLL balance, period end | 4,012 | 2,909 | 4,012 | 2,909
Consumer Portfolio Segment [Member] |  |  |  |
ALLL balance, period start | 17 | 28 | 25 | 25
Charge-offs | (52) |  | (154) | (15)
Recoveries | 111 | 2 | 174 | 5
Provision | (65) | (4) | (34) | 11
ALLL balance, period end | $ 11 | $ 26 | $ 11 | $ 26

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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=84173941&loc=SL6953423-111524 + Details
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- Definition Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss. + 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=84173941&loc=SL6953423-111524 Reference 2: 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 + 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=84173941&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=84173941&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 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707 Reference 5: 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=82894903&loc=d3e15032-111544 + 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 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 2: 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=98514028&loc=d3e3602-108585 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=84173941&loc=SL6953423-111524 + Details
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