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Note 3 - Allowance for Loan Losses to Loan Portfolio Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Dec. 31, 2015
Commercial Portfolio Segment [Member] |  |  |  |  |  |
Beginning Balance | $ 1,083 | $ 1,297 | $ 1,027 | $ 1,918 |  |
Charge-offs |  |  |  |  |  |
Recoveries | 3 | 14 | 12 | 30 |  |
Provision | 355 | (329) | 402 | (966) |  |
Ending Balance | 1,441 | 982 | 1,441 | 982 |  |
Ending balance: individually evaluated for impairment |  |  |  |  | $ 1,018 |
Ending balance: collectively evaluated for impairment |  |  |  |  | 423 | $ 1,027
Total allowance for loan losses | 1,083 | 1,297 | 1,441 | 982 | 1,441 | 1,027
Loans and Leases Receivable, Gross |  |  |  |  | 71,658 | 59,752
Ending balance: individually evaluated for impairment |  |  |  |  | 3,272 |
Ending balance: collectively evaluated for impairment |  |  |  |  | 68,386 | 59,752
Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |  |
Beginning Balance | 1,943 | 2,024 | 1,970 | 1,419 |  |
Charge-offs |  |  |  |  |  |
Recoveries |  |  |  |  |  |
Provision | 352 | 121 | 325 | 726 |  |
Ending Balance | 2,295 | 2,145 | 2,295 | 2,145 |  |
Ending balance: individually evaluated for impairment |  |  |  |  |  |
Ending balance: collectively evaluated for impairment |  |  |  |  | 2,295 | 1,970
Total allowance for loan losses | 1,943 | 2,024 | 2,295 | 2,145 | 2,295 | 1,970
Loans and Leases Receivable, Gross |  |  |  |  | 270,003 | 245,828
Ending balance: individually evaluated for impairment |  |  |  |  | 6,526 | 7,745
Ending balance: collectively evaluated for impairment |  |  |  |  | 263,477 | 238,083
Construction Portfolio Segment [Member] |  |  |  |  |  |
Beginning Balance | 650 | 222 | 486 | 63 |  |
Charge-offs |  |  |  |  |  |
Recoveries |  |  |  |  |  |
Provision | (481) | 53 | (317) | 212 |  |
Ending Balance | 169 | 275 | 169 | 275 |  |
Ending balance: individually evaluated for impairment |  |  |  |  |  |
Ending balance: collectively evaluated for impairment |  |  |  |  | 169 | 486
Total allowance for loan losses | 650 | 222 | 169 | 275 | 169 | 486
Loans and Leases Receivable, Gross |  |  |  |  | 26,094 | 15,551
Ending balance: individually evaluated for impairment |  |  |  |  |  |
Ending balance: collectively evaluated for impairment |  |  |  |  | 26,094 | 15,551
Construction to Permanent Portfolio Segment [Member] |  |  |  |  |  |
Beginning Balance | 121 | 191 | 123 | 215 |  |
Charge-offs |  |  |  |  |  |
Recoveries |  |  |  | 5 |  |
Provision | 24 | (41) | 22 | (70) |  |
Ending Balance | 145 | 150 | 145 | 150 |  |
Ending balance: individually evaluated for impairment |  |  |  |  |  |
Ending balance: collectively evaluated for impairment |  |  |  |  | 145 | 123
Total allowance for loan losses | 121 | 191 | 145 | 150 | 145 | 123
Loans and Leases Receivable, Gross |  |  |  |  | 4,229 | 4,880
Ending balance: individually evaluated for impairment |  |  |  |  |  |
Ending balance: collectively evaluated for impairment |  |  |  |  | 4,229 | 4,880
Residential Portfolio Segment [Member] |  |  |  |  |  |
Beginning Balance | 624 | 730 | 740 | 831 |  |
Charge-offs |  |  | (4) | (3) |  |
Recoveries | 1 |  | 1 |  |  |
Provision | 22 | 102 | (90) | 4 |  |
Ending Balance | 647 | 832 | 647 | 832 |  |
Ending balance: individually evaluated for impairment |  |  |  |  |  |
Ending balance: collectively evaluated for impairment |  |  |  |  | 647 | 740
Total allowance for loan losses | 624 | 730 | 647 | 832 | 647 | 740
Loans and Leases Receivable, Gross |  |  |  |  | 104,746 | 110,837
Ending balance: individually evaluated for impairment |  |  |  |  | 4,515 | 4,556
Ending balance: collectively evaluated for impairment |  |  |  |  | 100,231 | 106,281
Consumer Portfolio Segment [Member] |  |  |  |  |  |
Beginning Balance | 609 | 711 | 677 | 478 |  |
Charge-offs | (1) |  | (2) | (7) |  |
Recoveries |  | 1 | 1 | 9 |  |
Provision | (77) | 14 | (145) | 246 |  |
Ending Balance | 531 | 726 | 531 | 726 |  |
Ending balance: individually evaluated for impairment |  |  |  |  | 2 | 3
Ending balance: collectively evaluated for impairment |  |  |  |  | 529 | 674
Total allowance for loan losses | 609 | 711 | 531 | 726 | 531 | 677
Loans and Leases Receivable, Gross |  |  |  |  | 51,924 | 47,521
Ending balance: individually evaluated for impairment |  |  |  |  | 546 | 550
Ending balance: collectively evaluated for impairment |  |  |  |  | 51,378 | 46,971
Unallocated Financing Receivables [Member] |  |  |  |  |  |
Beginning Balance | 217 | 18 | 219 |  |  |
Charge-offs |  |  |  |  |  |
Recoveries |  |  |  |  |  |
Provision | (195) | 80 | (197) | 98 |  |
Ending Balance | 22 | 98 | 22 | 98 |  |
Ending balance: individually evaluated for impairment |  |  |  |  |  |
Ending balance: collectively evaluated for impairment |  |  |  |  | 22 | 219
Total allowance for loan losses | 217 | 18 | 22 | 98 | 22 | 219
Loans and Leases Receivable, Gross |  |  |  |  |  |
Ending balance: individually evaluated for impairment |  |  |  |  |  |
Ending balance: collectively evaluated for impairment |  |  |  |  |  |
Beginning Balance | 5,247 | 5,193 | 5,242 | 4,924 |  |
Charge-offs | (1) |  | (6) | (10) |  |
Recoveries | 4 | 15 | 14 | 44 |  |
Provision |  |  |  | 250 |  |
Ending Balance | 5,250 | 5,208 | 5,250 | 5,208 |  |
Ending balance: individually evaluated for impairment |  |  |  |  | 1,020 | 3
Ending balance: collectively evaluated for impairment |  |  |  |  | 4,230 | 5,239
Total allowance for loan losses | $ 5,250 | $ 5,193 | $ 5,250 | $ 5,208 | 5,250 | 5,242
Loans and Leases Receivable, Gross |  |  |  |  | 528,654 | 484,369
Ending balance: individually evaluated for impairment |  |  |  |  | 14,859 | 12,851
Ending balance: collectively evaluated for impairment |  |  |  |  | $ 513,795 | $ 471,518

X
- 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=66008989&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=66008989&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 The valuation allowance for financing receivables that are expected to be uncollectible 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 (g) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 + Details
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- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible 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 (g) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 + Details
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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=66008989&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=66008989&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=66008989&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=6379141&loc=d3e15032-111544 + Details
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- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes 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 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=65884687&loc=d3e4428-111522 + Details
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