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Note 4 - Loans Receivable and Allowance for Loan and Lease Losses - Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2019 | Mar. 31, 2018 | Mar. 31, 2019 | Dec. 31, 2018
Balance | $ 7,609 | $ 6,297 |  |  |
Charge-offs |  |  |  |  |
Recoveries | 49 | 3 |  |  |
Provisions (credits) | 165 | 185 |  |  |
Balance | 7,823 | 6,485 |  |  |
Total allowance for loan losses | 7,609 | 6,297 | $ 7,823 |  | $ 7,609
Business Activities Loans [Member] |  |  |  |  |
Balance | 7,609 |  |  |  |
Balance | 7,823 |  |  |  |
Allowance for loan losses: Individually evaluated for impairment |  |  | 1,625 |  | 1,545
Allowance for loan losses: Collectively evaluated for impairment |  |  | 6,198 |  | 6,064
Total allowance for loan losses | 7,823 |  | 7,823 |  | 7,609
Loans receivable, gross: Individually evaluated for impairment |  |  | 30,051 |  | 21,218
PCI loans individually evaluated for impairment |  |  | 439 |  | 615
Loans receivable, gross: Collectively evaluated for impairment |  |  | 758,046 |  | 758,543
Total loans receivable, gross |  |  | 788,536 | [1] | 780,376
Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |
Balance | 1,866 | 2,212 |  |  |
Charge-offs | 0 | 0 |  |  |
Recoveries |  | 3 |  |  |
Provisions (credits) | (4) | 265 |  |  |
Balance | 1,862 | 2,480 |  |  |
Total allowance for loan losses | 1,866 | 2,212 | 1,862 |  | 1,866
Commercial Real Estate Portfolio Segment [Member] | Business Activities Loans [Member] |  |  |  |  |
Balance | 1,866 |  |  |  |
Balance | 1,862 |  |  |  |
Allowance for loan losses: Individually evaluated for impairment |  |  | 0 |  | 0
Allowance for loan losses: Collectively evaluated for impairment |  |  | 1,862 |  | 1,866
Total allowance for loan losses | 1,862 |  | 1,862 |  | 1,866
Loans receivable, gross: Individually evaluated for impairment |  |  | 12,026 |  | 4,606
PCI loans individually evaluated for impairment |  |  |  |  |
Loans receivable, gross: Collectively evaluated for impairment |  |  | 279,530 |  | 270,332
Total loans receivable, gross |  |  | 291,556 |  | 274,938
Residential Portfolio Segment [Member] |  |  |  |  |
Balance | 1,059 | 959 |  |  |
Charge-offs |  | 0 |  |  |
Recoveries |  | 0 |  |  |
Provisions (credits) | 330 | 114 |  |  |
Balance | 1,389 | 1,073 |  |  |
Total allowance for loan losses | 1,059 | 959 | 1,389 |  | 1,059
Residential Portfolio Segment [Member] | Business Activities Loans [Member] |  |  |  |  |
Balance | 1,059 |  |  |  |
Balance | 1,389 |  |  |  |
Allowance for loan losses: Individually evaluated for impairment |  |  | 563 |  | 216
Allowance for loan losses: Collectively evaluated for impairment |  |  | 826 |  | 843
Total allowance for loan losses | 1,389 |  | 1,389 |  | 1,059
Loans receivable, gross: Individually evaluated for impairment |  |  | 3,766 |  | 2,302
PCI loans individually evaluated for impairment |  |  |  |  |
Loans receivable, gross: Collectively evaluated for impairment |  |  | 156,219 |  | 154,998
Total loans receivable, gross |  |  | 159,985 |  | 157,300
Commercial Portfolio Segment [Member] |  |  |  |  |
Balance | 3,558 | 2,023 |  |  |
Charge-offs | 0 |  |  |  |
Recoveries | 47 |  |  |  |
Provisions (credits) | (115) | (264) |  |  |
Balance | 3,490 | 1,759 |  |  |
Total allowance for loan losses | 3,558 | 2,023 | 3,490 |  | 3,558
Commercial Portfolio Segment [Member] | Business Activities Loans [Member] |  |  |  |  |
Balance | 3,558 |  |  |  |
Balance | 3,490 |  |  |  |
Allowance for loan losses: Individually evaluated for impairment |  |  | 1,062 |  | 1,299
Allowance for loan losses: Collectively evaluated for impairment |  |  | 2,428 |  | 2,259
Total allowance for loan losses | 3,490 |  | 3,490 |  | 3,558
Loans receivable, gross: Individually evaluated for impairment |  |  | 4,598 |  | 4,646
PCI loans individually evaluated for impairment |  |  | 439 |  |
Loans receivable, gross: Collectively evaluated for impairment |  |  | 172,829 |  | 186,591
Total loans receivable, gross |  |  | 177,866 |  | 191,852
Consumer Portfolio Segment [Member] |  |  |  |  |
Balance | 641 | 568 |  |  |
Charge-offs |  |  |  |  |
Recoveries | 2 |  |  |  |
Provisions (credits) | (51) | (22) |  |  |
Balance | 592 | 546 |  |  |
Total allowance for loan losses | 641 | 568 | 592 |  | 641
Consumer Portfolio Segment [Member] | Business Activities Loans [Member] |  |  |  |  |
Balance | 641 |  |  |  |
Balance | 592 |  |  |  |
Allowance for loan losses: Individually evaluated for impairment |  |  |  |  | 30
Allowance for loan losses: Collectively evaluated for impairment |  |  | 592 |  | 611
Total allowance for loan losses | 592 |  | 592 |  | 641
Loans receivable, gross: Individually evaluated for impairment |  |  | 861 |  | 864
PCI loans individually evaluated for impairment |  |  |  |  |
Loans receivable, gross: Collectively evaluated for impairment |  |  | 94,894 |  | 93,705
Total loans receivable, gross |  |  | 95,755 |  | 94,569
Construction Portfolio Segment [Member] |  |  |  |  |
Balance | 350 | 481 |  |  |
Charge-offs | 0 | 0 |  |  |
Recoveries | 0 | 0 |  |  |
Provisions (credits) | 5 | 7 |  |  |
Balance | 355 | 488 |  |  |
Total allowance for loan losses | 350 | 481 | 355 |  | 350
Construction Portfolio Segment [Member] | Business Activities Loans [Member] |  |  |  |  |
Balance | 350 |  |  |  |
Balance | 355 |  |  |  |
Allowance for loan losses: Individually evaluated for impairment |  |  | 0 |  | 0
Allowance for loan losses: Collectively evaluated for impairment |  |  | 355 |  | 350
Total allowance for loan losses | 355 |  | 355 |  | 350
Loans receivable, gross: Individually evaluated for impairment |  |  | 8,800 |  | 8,800
PCI loans individually evaluated for impairment |  |  |  |  |
Loans receivable, gross: Collectively evaluated for impairment |  |  | 36,556 |  | 37,240
Total loans receivable, gross |  |  | 45,356 |  | 46,040
Construction to Permanent Portfolio Segment [Member] |  |  |  |  |
Balance | 108 | 54 |  |  |
Charge-offs | 0 | 0 |  |  |
Recoveries | 0 | 0 |  |  |
Provisions (credits) | 15 | 7 |  |  |
Balance | 123 | 61 |  |  |
Total allowance for loan losses | 108 | 54 | 123 |  | 108
Construction to Permanent Portfolio Segment [Member] | Business Activities Loans [Member] |  |  |  |  |
Balance | 108 |  |  |  |
Balance | 123 |  |  |  |
Allowance for loan losses: Individually evaluated for impairment |  |  | 0 |  | 0
Allowance for loan losses: Collectively evaluated for impairment |  |  | 123 |  | 108
Total allowance for loan losses | 123 |  | 123 |  | 108
Loans receivable, gross: Individually evaluated for impairment |  |  | 0 |  | 0
PCI loans individually evaluated for impairment |  |  |  |  |
Loans receivable, gross: Collectively evaluated for impairment |  |  | 18,018 |  | 15,677
Total loans receivable, gross |  |  | 18,018 |  | 15,677
Unallocated Financing Receivables [Member] |  |  |  |  |
Balance | 27 |  |  |  |
Charge-offs | 0 | 0 |  |  |
Recoveries | 0 | 0 |  |  |
Provisions (credits) | (15) | 78 |  |  |
Balance | 12 | 78 |  |  |
Total allowance for loan losses | 27 |  | 12 |  | 27
Unallocated Financing Receivables [Member] | Business Activities Loans [Member] |  |  |  |  |
Balance | 27 |  |  |  |
Balance | 12 |  |  |  |
Allowance for loan losses: Individually evaluated for impairment |  |  | 0 |  | 0
Allowance for loan losses: Collectively evaluated for impairment |  |  | 12 |  | 27
Total allowance for loan losses | $ 12 |  | 12 |  | 27
Loans receivable, gross: Individually evaluated for impairment |  |  | 0 |  | 0
PCI loans individually evaluated for impairment |  |  |  |  |
Loans receivable, gross: Collectively evaluated for impairment |  |  |  |  | 0
Total loans receivable, gross |  |  |  |  | 0
Commercial and Industrial Portfolio Segment [Member] | Business Activities Loans [Member] |  |  |  |  |
PCI loans individually evaluated for impairment |  |  |  |  | $ 615
[1] |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=118936363&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://fasb.org/us-gaap/role/ref/legacyRef -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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -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=118939070&loc=d3e15032-111544 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
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