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Note 4 - Loan Receivable and Allowance for Loan and Lease Losses - Non-accrual Loans (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Loans receivable, gross | $ 670,896 | $ 730,180
Business Activities Loans [Member] |  |
Loans receivable, gross | 670,896 | 730,180
Non-accruing loans | 24,524 | 20,005
Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 646,372 | 710,175
Commercial Real Estate Portfolio Segment [Member] |  |
Loans receivable, gross | 272,854 | 282,378
Commercial Real Estate Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Loans receivable, gross | 272,854 | 282,378
Non-accruing loans | 16,964 | 14,534
Commercial Real Estate Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 255,890 | 267,844
Residential Portfolio Segment [Member] |  |
Loans receivable, gross | 158,088 | 153,851
Residential Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Loans receivable, gross | 158,088 | 153,851
Non-accruing loans | 4,358 | 3,854
Residential Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 153,730 | 149,997
Commercial Portfolio Segment [Member] |  |
Loans receivable, gross | 123,113 | 144,297
Commercial Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Loans receivable, gross | 123,113 | 144,297
Non-accruing loans | 3,151 | 700
Commercial Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 119,962 | 143,597
Consumer Portfolio Segment [Member] |  |
Loans receivable, gross | 51,386 | 67,635
Consumer Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Loans receivable, gross | 51,386 | 67,635
Non-accruing loans | 51 | 917
Consumer Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 51,335 | 66,718
Substandard [Member] | Business Activities Loans [Member] |  |
Loans receivable, gross | 60,970 | 59,864
Non-accruing loans | 24,524 | 20,005
Substandard [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 36,446 | 39,859
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Loans receivable, gross | 28,862 | 25,896
Non-accruing loans | 16,964 | 14,534
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 11,898 | 11,362
Substandard [Member] | Residential Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Loans receivable, gross | 4,358 | 3,854
Non-accruing loans | 4,358 | 3,854
Substandard [Member] | Residential Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 0 | 0
Substandard [Member] | Commercial Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Loans receivable, gross | 27,579 | 29,076
Non-accruing loans | 3,151 | 700
Substandard [Member] | Commercial Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 24,428 | 28,376
Substandard [Member] | Consumer Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Loans receivable, gross | 171 | 1,038
Non-accruing loans | 51 | 917
Substandard [Member] | Consumer Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 120 | 121
Substandard [Member] | Non-Accrual Loans [Member] | Commercial Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Non-accruing loans |  | 700
Financial Asset, 30 to 59 Days Past Due [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 1,916 | 1,436
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 150 | 354
Financial Asset, 30 to 59 Days Past Due [Member] | Residential Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 637 | 478
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 1,128 | 603
Financial Asset, 30 to 59 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 1 | 1
Financial Asset, 30 to 59 Days Past Due [Member] | Non-Accrual Loans [Member] | Business Activities Loans [Member] |  |
Loans receivable, gross | 509 | 22
Financial Asset, 30 to 59 Days Past Due [Member] | Substandard [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 930 | 957
Financial Asset, 30 to 59 Days Past Due [Member] | Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 0 | 354
Financial Asset, 30 to 59 Days Past Due [Member] | Substandard [Member] | Residential Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 0 | 0
Financial Asset, 30 to 59 Days Past Due [Member] | Substandard [Member] | Commercial Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 930 | 603
Financial Asset, 30 to 59 Days Past Due [Member] | Substandard [Member] | Consumer Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 0 | 0
Financial Asset, 30 to 59 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Loans receivable, gross | 0 | 0
Financial Asset, 30 to 59 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Residential Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Loans receivable, gross | 0 | 0
Financial Asset, 30 to 59 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Commercial Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Loans receivable, gross | 509 |
Financial Asset, 30 to 59 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Commercial Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross |  | 0
Financial Asset, 30 to 59 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Consumer Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Loans receivable, gross | 0 | 22
Financial Asset, 60 to 89 Days Past Due [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 11,245 | 7,034
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 953 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Residential Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 0 | 361
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 4,531 | 4,322
Financial Asset, 60 to 89 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 1 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Non-Accrual Loans [Member] | Business Activities Loans [Member] |  |
Loans receivable, gross | 1,355 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Substandard [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 5,037 | 113
Financial Asset, 60 to 89 Days Past Due [Member] | Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 506 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Substandard [Member] | Residential Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Substandard [Member] | Commercial Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 4,531 | 113
Financial Asset, 60 to 89 Days Past Due [Member] | Substandard [Member] | Consumer Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Loans receivable, gross | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Residential Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Loans receivable, gross | 124 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Commercial Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Loans receivable, gross | 1,231 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Consumer Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Loans receivable, gross | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 608 | 16
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 0 | 9
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Residential Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 605 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 3 | 7
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Non-Accrual Loans [Member] | Business Activities Loans [Member] |  |
Loans receivable, gross | 8,143 | 9,398
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Substandard [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 0 | 9
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 0 | 9
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Substandard [Member] | Residential Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Substandard [Member] | Commercial Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Substandard [Member] | Consumer Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Loans receivable, gross | 4,649 | 5,723
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Residential Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Loans receivable, gross | 2,105 | 2,884
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Commercial Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Loans receivable, gross | 1,359 | 700
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Consumer Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Loans receivable, gross | 30 | 91
Financial Asset, Past Due [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 13,769 | 8,486
Financial Asset, Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 1,103 | 363
Financial Asset, Past Due [Member] | Residential Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 1,242 | 839
Financial Asset, Past Due [Member] | Commercial Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 5,659 | 4,925
Financial Asset, Past Due [Member] | Consumer Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 5 | 8
Financial Asset, Past Due [Member] | Non-Accrual Loans [Member] | Business Activities Loans [Member] |  |
Loans receivable, gross | 10,007 | 9,420
Financial Asset, Past Due [Member] | Substandard [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 5,967 | 1,079
Financial Asset, Past Due [Member] | Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 506 | 363
Financial Asset, Past Due [Member] | Substandard [Member] | Residential Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 0 | 0
Financial Asset, Past Due [Member] | Substandard [Member] | Commercial Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 5,461 | 716
Financial Asset, Past Due [Member] | Substandard [Member] | Consumer Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 0 | 0
Financial Asset, Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Loans receivable, gross | 4,649 | 5,723
Financial Asset, Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Residential Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Loans receivable, gross | 2,229 | 2,884
Financial Asset, Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Commercial Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Loans receivable, gross | 3,099 | 700
Financial Asset, Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Consumer Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Loans receivable, gross | 30 | 113
Financial Asset, Not Past Due [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 632,603 | 701,689
Financial Asset, Not Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 254,787 | 267,481
Financial Asset, Not Past Due [Member] | Residential Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 152,488 | 149,158
Financial Asset, Not Past Due [Member] | Commercial Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 114,303 | 138,672
Financial Asset, Not Past Due [Member] | Consumer Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 51,330 | 66,710
Financial Asset, Not Past Due [Member] | Non-Accrual Loans [Member] | Business Activities Loans [Member] |  |
Loans receivable, gross | 14,517 | 10,585
Financial Asset, Not Past Due [Member] | Substandard [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 30,479 | 38,780
Financial Asset, Not Past Due [Member] | Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 11,392 | 10,999
Financial Asset, Not Past Due [Member] | Substandard [Member] | Residential Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 0 | 0
Financial Asset, Not Past Due [Member] | Substandard [Member] | Commercial Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 18,967 | 27,660
Financial Asset, Not Past Due [Member] | Substandard [Member] | Consumer Portfolio Segment [Member] | Business Activities Loans [Member] | Performing Financial Instruments [Member] |  |
Loans receivable, gross | 120 | 121
Financial Asset, Not Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Loans receivable, gross | 12,315 | 8,811
Financial Asset, Not Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Residential Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Loans receivable, gross | 2,129 | 970
Financial Asset, Not Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Commercial Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Loans receivable, gross | 52 | 0
Financial Asset, Not Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Consumer Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Loans receivable, gross | $ 21 | $ 804

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