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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 | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Dec. 31, 2018
Balance | $ 8,458 | $ 6,525 | $ 7,609 | $ 6,297 |  |  |
Charge-offs | (282) | (5) | (2,589) | (19) |  |  |
Recoveries | 129 | 35 | 183 | 42 |  |  |
Provisions (credits) | 100 | 50 | 3,202 | 285 |  |  |
Balance | 8,405 | 6,605 | 8,405 | 6,605 |  |  |
Total allowance for loan losses | 8,458 | 6,525 | 8,405 | 6,605 | $ 8,405 |  | $ 7,609
Business Activities Loans [Member] |  |  |  |  |  |  |
Balance |  |  | 7,609 |  |  |  |
Balance | 8,405 |  | 8,405 |  |  |  |
Allowance for loan losses: Individually evaluated for impairment |  |  |  |  |  |  | 1,545
Allowance for loan losses: Collectively evaluated for impairment |  |  |  |  | 8,405 |  | 6,064
Total allowance for loan losses | 8,405 |  | 8,405 |  | 8,405 |  | 7,609
Loans receivable, gross: Individually evaluated for impairment |  |  |  |  | 20,767 |  | 21,218
PCI loans individually evaluated for impairment |  |  |  |  | 182 |  | 615
Loans receivable, gross: Collectively evaluated for impairment |  |  |  |  | 779,365 |  | 758,543
Total loans receivable, gross |  |  |  |  | 800,314 | [1] | 780,376
Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |  |  |
Balance | 1,978 | 2,305 | 1,866 | 2,212 |  |  |
Charge-offs | 0 | 0 | 0 | 0 |  |  |
Recoveries |  | 24 | 2 | 30 |  |  |
Provisions (credits) | 111 | (566) | 221 | (479) |  |  |
Balance | 2,089 | 1,763 | 2,089 | 1,763 |  |  |
Total allowance for loan losses | 1,978 | 2,305 | 2,089 | 1,763 | 2,089 |  | 1,866
Commercial Real Estate Portfolio Segment [Member] | Business Activities Loans [Member] |  |  |  |  |  |  |
Balance |  |  | 1,866 |  |  |  |
Balance | 2,089 |  | 2,089 |  |  |  |
Allowance for loan losses: Individually evaluated for impairment |  |  |  |  | 0 |  | 0
Allowance for loan losses: Collectively evaluated for impairment |  |  |  |  | 2,089 |  | 1,866
Total allowance for loan losses | 2,089 |  | 2,089 |  | 2,089 |  | 1,866
Loans receivable, gross: Individually evaluated for impairment |  |  |  |  | 13,989 |  | 4,606
PCI loans individually evaluated for impairment |  |  |  |  |  |  |
Loans receivable, gross: Collectively evaluated for impairment |  |  |  |  | 285,616 |  | 270,332
Total loans receivable, gross |  |  |  |  | 299,605 |  | 274,938
Residential Portfolio Segment [Member] |  |  |  |  |  |  |
Balance | 936 | 1,096 | 1,059 | 959 |  |  |
Charge-offs | (105) | (2) | (117) | (2) |  |  |
Recoveries | 9 | 11 | 9 | 12 |  |  |
Provisions (credits) | 125 | (240) | 14 | (104) |  |  |
Balance | 965 | 865 | 965 | 865 |  |  |
Total allowance for loan losses | 936 | 1,096 | 965 | 865 | 965 |  | 1,059
Residential Portfolio Segment [Member] | Business Activities Loans [Member] |  |  |  |  |  |  |
Balance |  |  | 1,059 |  |  |  |
Balance | 965 |  | 965 |  |  |  |
Allowance for loan losses: Individually evaluated for impairment |  |  |  |  |  |  | 216
Allowance for loan losses: Collectively evaluated for impairment |  |  |  |  | 965 |  | 843
Total allowance for loan losses | 965 |  | 965 |  | 965 |  | 1,059
Loans receivable, gross: Individually evaluated for impairment |  |  |  |  | 3,640 |  | 2,302
PCI loans individually evaluated for impairment |  |  |  |  |  |  |
Loans receivable, gross: Collectively evaluated for impairment |  |  |  |  | 159,906 |  | 154,998
Total loans receivable, gross |  |  |  |  | 163,546 |  | 157,300
Commercial Portfolio Segment [Member] |  |  |  |  |  |  |
Balance | 4,208 | 1,996 | 3,558 | 2,023 |  |  |
Charge-offs | (74) |  | (2,366) |  |  |  |
Recoveries | 117 |  | 164 |  |  |  |
Provisions (credits) | 104 | 245 | 2,999 | 218 |  |  |
Balance | 4,355 | 2,241 | 4,355 | 2,241 |  |  |
Total allowance for loan losses | 4,208 | 1,996 | 4,355 | 2,241 | 4,355 |  | 3,558
Commercial Portfolio Segment [Member] | Business Activities Loans [Member] |  |  |  |  |  |  |
Balance |  |  | 3,558 |  |  |  |
Balance | 4,355 |  | 4,355 |  |  |  |
Allowance for loan losses: Individually evaluated for impairment |  |  |  |  |  |  | 1,299
Allowance for loan losses: Collectively evaluated for impairment |  |  |  |  | 4,355 |  | 2,259
Total allowance for loan losses | 4,355 |  | 4,355 |  | 4,355 |  | 3,558
Loans receivable, gross: Individually evaluated for impairment |  |  |  |  | 2,222 |  | 4,646
PCI loans individually evaluated for impairment |  |  |  |  | 182 |  |
Loans receivable, gross: Collectively evaluated for impairment |  |  |  |  | 184,391 |  | 186,591
Total loans receivable, gross |  |  |  |  | 186,795 |  | 191,852
Consumer Portfolio Segment [Member] |  |  |  |  |  |  |
Balance | 664 | 523 | 641 | 568 |  |  |
Charge-offs | (103) | (3) | (106) | (17) |  |  |
Recoveries | 3 |  | 8 |  |  |  |
Provisions (credits) | (196) | 150 | (175) | 119 |  |  |
Balance | 368 | 670 | 368 | 670 |  |  |
Total allowance for loan losses | 664 | 523 | 368 | 670 | 368 |  | 641
Consumer Portfolio Segment [Member] | Business Activities Loans [Member] |  |  |  |  |  |  |
Balance |  |  | 641 |  |  |  |
Balance | 368 |  | 368 |  |  |  |
Allowance for loan losses: Individually evaluated for impairment |  |  |  |  |  |  | 30
Allowance for loan losses: Collectively evaluated for impairment |  |  |  |  | 368 |  | 611
Total allowance for loan losses | 368 |  | 368 |  | 368 |  | 641
Loans receivable, gross: Individually evaluated for impairment |  |  |  |  | 916 |  | 864
PCI loans individually evaluated for impairment |  |  |  |  |  |  |
Loans receivable, gross: Collectively evaluated for impairment |  |  |  |  | 92,551 |  | 93,705
Total loans receivable, gross |  |  |  |  | 93,467 |  | 94,569
Construction Portfolio Segment [Member] |  |  |  |  |  |  |
Balance | 467 | 499 | 350 | 481 |  |  |
Charge-offs | 0 | 0 | 0 | 0 |  |  |
Recoveries | 0 | 0 | 0 | 0 |  |  |
Provisions (credits) | (19) | 181 | 98 | 199 |  |  |
Balance | 448 | 680 | 448 | 680 |  |  |
Total allowance for loan losses | 467 | 499 | 448 | 680 | 448 |  | 350
Construction Portfolio Segment [Member] | Business Activities Loans [Member] |  |  |  |  |  |  |
Balance |  |  | 350 |  |  |  |
Balance | 448 |  | 448 |  |  |  |
Allowance for loan losses: Individually evaluated for impairment |  |  |  |  | 0 |  | 0
Allowance for loan losses: Collectively evaluated for impairment |  |  |  |  | 448 |  | 350
Total allowance for loan losses | 448 |  | 448 |  | 448 |  | 350
Loans receivable, gross: Individually evaluated for impairment |  |  |  |  |  |  | 8,800
PCI loans individually evaluated for impairment |  |  |  |  |  |  |
Loans receivable, gross: Collectively evaluated for impairment |  |  |  |  | 44,349 |  | 37,240
Total loans receivable, gross |  |  |  |  | 44,349 |  | 46,040
Construction to Permanent Portfolio Segment [Member] |  |  |  |  |  |  |
Balance | 105 | 80 | 108 | 54 |  |  |
Charge-offs | 0 | 0 | 0 | 0 |  |  |
Recoveries | 0 | 0 | 0 | 0 |  |  |
Provisions (credits) | 10 | 20 | 7 | 46 |  |  |
Balance | 115 | 100 | 115 | 100 |  |  |
Total allowance for loan losses | 105 | 80 | 115 | 100 | 115 |  | 108
Construction to Permanent Portfolio Segment [Member] | Business Activities Loans [Member] |  |  |  |  |  |  |
Balance |  |  | 108 |  |  |  |
Balance | 115 |  | 115 |  |  |  |
Allowance for loan losses: Individually evaluated for impairment |  |  |  |  | 0 |  | 0
Allowance for loan losses: Collectively evaluated for impairment |  |  |  |  | 115 |  | 108
Total allowance for loan losses | 115 |  | 115 |  | 115 |  | 108
Loans receivable, gross: Individually evaluated for impairment |  |  |  |  | 0 |  | 0
PCI loans individually evaluated for impairment |  |  |  |  |  |  |
Loans receivable, gross: Collectively evaluated for impairment |  |  |  |  | 12,552 |  | 15,677
Total loans receivable, gross |  |  |  |  | 12,552 |  | 15,677
Unallocated Financing Receivables [Member] |  |  |  |  |  |  |
Balance | 100 | 26 | 27 |  |  |  |
Charge-offs | 0 | 0 | 0 | 0 |  |  |
Recoveries | 0 | 0 | 0 | 0 |  |  |
Provisions (credits) | (35) | 260 | 38 | 286 |  |  |
Balance | 65 | 286 | 65 | 286 |  |  |
Total allowance for loan losses | 100 | $ 26 | 65 | $ 286 | 65 |  | 27
Unallocated Financing Receivables [Member] | Business Activities Loans [Member] |  |  |  |  |  |  |
Balance |  |  | 27 |  |  |  |
Balance | 65 |  | 65 |  |  |  |
Allowance for loan losses: Individually evaluated for impairment |  |  |  |  | 0 |  | 0
Allowance for loan losses: Collectively evaluated for impairment |  |  |  |  | 65 |  | 27
Total allowance for loan losses | $ 65 |  | $ 65 |  | 65 |  | 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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