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Note 4 - Loan Receivables and Allowance for Loan and Lease Losses - Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2020 | Dec. 31, 2019
Balance | $ 10,115 | $ 7,609 | $ 6,297 |  |
Charge-offs | (1,778) | (2,659) | (35) |  |
Recoveries | 77 | 194 | 44 |  |
Provisions (credits) | 2,170 | 4,971 | 1,303 |  |
Balance | 10,584 | 10,115 | 7,609 |  |
Total allowance for loan and lease losses | 10,584 | 7,609 | 6,297 | $ 10,584 | $ 10,115
Business Activities Loans [Member] |  |  |  |  |
Balance | 10,115 |  |  |  |
Balance | 10,584 | 10,115 |  |  |
Allowance for loan losses: Individually evaluated for impairment |  |  |  | 1,412 | 1,496
Allowance for loan losses: Collectively evaluated for impairment |  |  |  | 9,172 | 8,619
Total allowance for loan and lease losses | 10,115 | 10,115 |  | 10,584 | 10,115
Loans receivable, gross: Individually evaluated for impairment |  |  |  | 24,383 | 19,628
Loans receivable, gross: Collectively evaluated for impairment |  |  |  | 705,797 | 792,360
Total loans receivable, gross |  |  |  | 730,180 | 812,164
PCI loans individually evaluated for impairment |  |  |  |  | 176
Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |
Balance | 3,789 | 1,866 | 2,212 |  |
Charge-offs | (1,032) | 0 |  |  |
Recoveries |  | 2 | 7 |  |
Provisions (credits) | 1,728 | 1,921 | (353) |  |
Balance | 4,485 | 3,789 | 1,866 |  |
Total allowance for loan and lease losses | 4,485 | 1,866 | 2,212 | 4,485 | 3,789
Commercial Real Estate Portfolio Segment [Member] | Business Activities Loans [Member] |  |  |  |  |
Balance | 3,789 |  |  |  |
Balance | 4,485 | 3,789 |  |  |
Allowance for loan losses: Individually evaluated for impairment |  |  |  | 1,398 | 1,496
Allowance for loan losses: Collectively evaluated for impairment |  |  |  | 3,087 | 2,293
Total allowance for loan and lease losses | 3,789 | 3,789 |  | 4,485 | 3,789
Loans receivable, gross: Individually evaluated for impairment |  |  |  | 14,534 | 13,034
Loans receivable, gross: Collectively evaluated for impairment |  |  |  | 267,844 | 301,380
Total loans receivable, gross |  |  |  | 282,378 | 314,414
PCI loans individually evaluated for impairment |  |  |  |  |
Residential Portfolio Segment [Member] |  |  |  |  |
Balance | 1,038 | 1,059 | 959 |  |
Charge-offs | (24) | (118) | (2) |  |
Recoveries | 1 | 10 | 2 |  |
Provisions (credits) | 364 | 87 | 100 |  |
Balance | 1,379 | 1,038 | 1,059 |  |
Total allowance for loan and lease losses | 1,379 | 1,059 | 959 | 1,379 | 1,038
Residential Portfolio Segment [Member] | Business Activities Loans [Member] |  |  |  |  |
Balance | 1,038 |  |  |  |
Balance | 1,379 | 1,038 |  |  |
Allowance for loan losses: Individually evaluated for impairment |  |  |  | 4 |
Allowance for loan losses: Collectively evaluated for impairment |  |  |  | 1,375 | 1,038
Total allowance for loan and lease losses | 1,038 | 1,038 |  | 1,379 | 1,038
Loans receivable, gross: Individually evaluated for impairment |  |  |  | 3,962 | 3,621
Loans receivable, gross: Collectively evaluated for impairment |  |  |  | 149,889 | 171,868
Total loans receivable, gross |  |  |  | 153,851 | 175,489
PCI loans individually evaluated for impairment |  |  |  |  |
Commercial Portfolio Segment [Member] |  |  |  |  |
Balance | 4,340 | 3,558 | 2,023 |  |
Charge-offs | (677) | (2,418) |  |  |
Recoveries | 70 | 172 | 34 |  |
Provisions (credits) | (449) | 3,028 | 1,501 |  |
Balance | 3,284 | 4,340 | 3,558 |  |
Total allowance for loan and lease losses | 3,284 | 3,558 | 2,023 | 3,284 | 4,340
Commercial Portfolio Segment [Member] | Business Activities Loans [Member] |  |  |  |  |
Balance | 4,340 |  |  |  |
Balance | 3,284 | 4,340 |  |  |
Allowance for loan losses: Individually evaluated for impairment |  |  |  |  |
Allowance for loan losses: Collectively evaluated for impairment |  |  |  | 3,284 | 4,340
Total allowance for loan and lease losses | 4,340 | 4,340 |  | 3,284 | 4,340
Loans receivable, gross: Individually evaluated for impairment |  |  |  | 4,700 | 2,057
Loans receivable, gross: Collectively evaluated for impairment |  |  |  | 139,597 | 171,642
Total loans receivable, gross |  |  |  | 144,297 | 173,875
PCI loans individually evaluated for impairment |  |  |  |  | 176
Consumer Portfolio Segment [Member] |  |  |  |  |
Balance | 341 | 641 | 568 |  |
Charge-offs | (45) | (123) | (33) |  |
Recoveries | 6 | 10 | 1 |  |
Provisions (credits) | (7) | (187) | 105 |  |
Balance | 295 | 341 | 641 |  |
Total allowance for loan and lease losses | 295 | 641 | 568 | 295 | 341
Consumer Portfolio Segment [Member] | Business Activities Loans [Member] |  |  |  |  |
Balance | 341 |  |  |  |
Balance | 295 | 341 |  |  |
Allowance for loan losses: Individually evaluated for impairment |  |  |  | 10 |
Allowance for loan losses: Collectively evaluated for impairment |  |  |  | 285 | 341
Total allowance for loan and lease losses | 341 | 341 |  | 295 | 341
Loans receivable, gross: Individually evaluated for impairment |  |  |  | 1,187 | 916
Loans receivable, gross: Collectively evaluated for impairment |  |  |  | 66,448 | 85,018
Total loans receivable, gross |  |  |  | 67,635 | 85,934
PCI loans individually evaluated for impairment |  |  |  |  |
Construction Portfolio Segment [Member] |  |  |  |  |
Balance | 477 | 350 | 481 |  |
Charge-offs | 0 | 0 |  |  |
Recoveries | 0 | 0 |  |  |
Provisions (credits) | 262 | 127 | (131) |  |
Balance | 739 | 477 | 350 |  |
Total allowance for loan and lease losses | 739 | 350 | 481 | 739 | 477
Construction Portfolio Segment [Member] | Business Activities Loans [Member] |  |  |  |  |
Balance | 477 |  |  |  |
Balance | 739 | 477 |  |  |
Allowance for loan losses: Individually evaluated for impairment |  |  |  | 0 | 0
Allowance for loan losses: Collectively evaluated for impairment |  |  |  | 739 | 477
Total allowance for loan and lease losses | 477 | 477 |  | 739 | 477
Loans receivable, gross: Individually evaluated for impairment |  |  |  |  |
Loans receivable, gross: Collectively evaluated for impairment |  |  |  | 66,984 | 48,388
Total loans receivable, gross |  |  |  | 66,984 | 48,388
PCI loans individually evaluated for impairment |  |  |  |  |
Construction to Permanent Portfolio Segment [Member] |  |  |  |  |
Balance | 130 | 108 | 54 |  |
Charge-offs | 0 | 0 |  |  |
Recoveries | 0 | 0 |  |  |
Provisions (credits) | 32 | 22 | 54 |  |
Balance | 162 | 130 | 108 |  |
Total allowance for loan and lease losses | 162 | 108 | 54 | 162 | 130
Construction to Permanent Portfolio Segment [Member] | Business Activities Loans [Member] |  |  |  |  |
Balance | 130 |  |  |  |
Balance | 162 | 130 |  |  |
Allowance for loan losses: Individually evaluated for impairment |  |  |  | 0 | 0
Allowance for loan losses: Collectively evaluated for impairment |  |  |  | 162 | 130
Total allowance for loan and lease losses | 130 | 130 |  | 162 | 130
Loans receivable, gross: Individually evaluated for impairment |  |  |  | 0 | 0
Loans receivable, gross: Collectively evaluated for impairment |  |  |  | 15,035 | 14,064
Total loans receivable, gross |  |  |  | 15,035 | 14,064
PCI loans individually evaluated for impairment |  |  |  |  |
Unallocated Financing Receivables [Member] |  |  |  |  |
Balance |  | 27 |  |  |
Charge-offs | 0 | 0 |  |  |
Recoveries | 0 | 0 |  |  |
Provisions (credits) | 240 | (27) | 27 |  |
Balance | 240 |  | 27 |  |
Total allowance for loan and lease losses | 240 | 27 |  | 240 |
Unallocated Financing Receivables [Member] | Business Activities Loans [Member] |  |  |  |  |
Balance |  |  |  |  |
Balance | 240 |  |  |  |
Allowance for loan losses: Individually evaluated for impairment |  |  |  | 0 | 0
Allowance for loan losses: Collectively evaluated for impairment |  |  |  | 240 |
Total allowance for loan and lease losses |  |  |  | 240 |
Loans receivable, gross: Individually evaluated for impairment |  |  |  | 0 | 0
Loans receivable, gross: Collectively evaluated for impairment |  |  |  |  |
Total loans receivable, gross |  |  |  |  |
PCI loans individually evaluated for impairment |  |  |  |  |

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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=121611835&loc=SL6953423-111524 + Details
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