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Note 4 - Loan Receivables and Allowance for Loan and Lease Losses - Allowance for Loan Losses (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Balance | $ 10,584,000 | $ 10,115,000 | $ 7,609,000
Charge-offs | (358,000) | (1,778,000) | (2,659,000)
Recoveries | 179,000 | 77,000 | 194,000
Provisions (credits) | (500,000) | 2,170,000 | 4,971,000
Balance | 9,905,000 | 10,584,000 | 10,115,000
Allowance for loan losses: Collectively evaluated for impairment | 7,000 |  |
Loans receivable, gross: Collectively evaluated for impairment | 590,000 |  |
Total loans receivable, gross | 739,488,000 | 730,180,000 |
Business Activities Loans [Member] |  |  |
Balance | 10,584,000 |  |
Balance | 9,905,000 | 10,584,000 |
Allowance for loan losses: Individually evaluated for impairment | 2,292,000 | 1,412,000 |
Allowance for loan losses: Collectively evaluated for impairment | 7,613,000 | 9,172,000 |
Loans receivable, gross: Individually evaluated for impairment | 23,212,000 | 24,383,000 |
Loans receivable, gross: Collectively evaluated for impairment | 716,276,000 | 705,797,000 |
Total loans receivable, gross | 739,488,000 | 730,180,000 |
Commercial Real Estate Portfolio Segment [Member] |  |  |
Balance | 4,485,000 | 3,789,000 | 1,866,000
Charge-offs | (51,000) | (1,032,000) | 0
Recoveries | 0 | 0 | 2,000
Provisions (credits) | 629,000 | 1,728,000 | 1,921,000
Balance | 5,063,000 | 4,485,000 | 3,789,000
Total loans receivable, gross | 365,247,000 | 282,378,000 |
Commercial Real Estate Portfolio Segment [Member] | Business Activities Loans [Member] |  |  |
Balance | 4,485,000 |  |
Balance | 5,063,000 | 4,485,000 |
Allowance for loan losses: Individually evaluated for impairment | 1,567,000 | 1,398,000 |
Allowance for loan losses: Collectively evaluated for impairment | 3,496,000 | 3,087,000 |
Loans receivable, gross: Individually evaluated for impairment | 15,704,000 | 14,534,000 |
Loans receivable, gross: Collectively evaluated for impairment | 349,543,000 | 267,844,000 |
Total loans receivable, gross | 365,247,000 | 282,378,000 |
Residential Portfolio Segment [Member] |  |  |
Balance | 1,379,000 | 1,038,000 | 1,059,000
Charge-offs | (3,000) | (24,000) | (118,000)
Recoveries | 3,000 | 1,000 | 10,000
Provisions (credits) | 321,000 | 364,000 | 87,000
Balance | 1,700,000 | 1,379,000 | 1,038,000
Total loans receivable, gross | 158,591,000 | 153,851,000 |
Residential Portfolio Segment [Member] | Business Activities Loans [Member] |  |  |
Balance | 1,379,000 |  |
Balance | 1,700,000 | 1,379,000 |
Allowance for loan losses: Individually evaluated for impairment | 3,000 | 4,000 |
Allowance for loan losses: Collectively evaluated for impairment | 1,697,000 | 1,375,000 |
Loans receivable, gross: Individually evaluated for impairment | 2,954,000 | 3,962,000 |
Loans receivable, gross: Collectively evaluated for impairment | 155,637,000 | 149,889,000 |
Total loans receivable, gross | 158,591,000 | 153,851,000 |
Commercial Portfolio Segment [Member] |  |  |
Balance | 3,284,000 | 4,340,000 | 3,558,000
Charge-offs | (212,000) | (677,000) | (2,418,000)
Recoveries | 65,000 | 70,000 | 172,000
Provisions (credits) | (605,000) | (449,000) | 3,028,000
Balance | 2,532,000 | 3,284,000 | 4,340,000
Total loans receivable, gross | 122,810,000 | 144,297,000 |
Commercial Portfolio Segment [Member] | Business Activities Loans [Member] |  |  |
Balance | 3,284,000 |  |
Balance | 2,532,000 | 3,284,000 |
Allowance for loan losses: Individually evaluated for impairment | 722,000 | 0 |
Allowance for loan losses: Collectively evaluated for impairment | 1,810,000 | 3,284,000 |
Loans receivable, gross: Individually evaluated for impairment | 4,031,000 | 4,700,000 |
Loans receivable, gross: Collectively evaluated for impairment | 118,779,000 | 139,597,000 |
Total loans receivable, gross | 122,810,000 | 144,297,000 |
Consumer Portfolio Segment [Member] |  |  |
Balance | 295,000 | 341,000 | 641,000
Charge-offs | (23,000) | (45,000) | (123,000)
Recoveries | 111,000 | 6,000 | 10,000
Provisions (credits) | (130,000) | (7,000) | (187,000)
Balance | 253,000 | 295,000 | 341,000
Total loans receivable, gross | 59,364,000 | 67,635,000 |
Consumer Portfolio Segment [Member] | Business Activities Loans [Member] |  |  |
Balance | 295,000 |  |
Balance | 253,000 | 295,000 |
Allowance for loan losses: Individually evaluated for impairment | 0 | 10,000 |
Allowance for loan losses: Collectively evaluated for impairment | 253,000 | 285,000 |
Loans receivable, gross: Individually evaluated for impairment | 523,000 | 1,187,000 |
Loans receivable, gross: Collectively evaluated for impairment | 58,841,000 | 66,448,000 |
Total loans receivable, gross | 59,364,000 | 67,635,000 |
Construction Portfolio Segment [Member] |  |  |
Balance | 739,000 | 477,000 | 350,000
Charge-offs | (69,000) | 0 | 0
Recoveries | 0 | 0 |
Provisions (credits) | (592,000) | 262,000 | 127,000
Balance | 78,000 | 739,000 | 477,000
Total loans receivable, gross | 21,781,000 | 66,984,000 |
Construction Portfolio Segment [Member] | Business Activities Loans [Member] |  |  |
Balance | 739,000 |  |
Balance | 78,000 | 739,000 |
Allowance for loan losses: Individually evaluated for impairment | 0 | 0 |
Allowance for loan losses: Collectively evaluated for impairment | 78,000 | 739,000 |
Loans receivable, gross: Individually evaluated for impairment | 0 | 0 |
Loans receivable, gross: Collectively evaluated for impairment | 21,781,000 | 66,984,000 |
Total loans receivable, gross | 21,781,000 | 66,984,000 |
Construction to Permanent Portfolio Segment [Member] |  |  |
Balance | 162,000 | 130,000 | 108,000
Charge-offs | 0 | 0 | 0
Recoveries | 0 | 0 | 0
Provisions (credits) | (121,000) | 32,000 | 22,000
Balance | 41,000 | 162,000 | 130,000
Total loans receivable, gross | 11,695,000 | 15,035,000 |
Construction to Permanent Portfolio Segment [Member] | Business Activities Loans [Member] |  |  |
Balance | 162,000 |  |
Balance | 41,000 | 162,000 |
Allowance for loan losses: Individually evaluated for impairment | 0 | 0 |
Allowance for loan losses: Collectively evaluated for impairment | 41,000 | 162,000 |
Loans receivable, gross: Individually evaluated for impairment | 0 | 0 |
Loans receivable, gross: Collectively evaluated for impairment | 11,695,000 | 15,035,000 |
Total loans receivable, gross | 11,695,000 | 15,035,000 |
Unallocated Financing Receivables [Member] |  |  |
Balance | 240,000 | 0 | 27,000
Charge-offs | 0 | 0 | 0
Recoveries | 0 | 0 | 0
Provisions (credits) | (2,000) | 240,000 | (27,000)
Balance | 238,000 | 240,000 | $ 0
Unallocated Financing Receivables [Member] | Business Activities Loans [Member] |  |  |
Balance | 240,000 |  |
Balance | 238,000 | 240,000 |
Allowance for loan losses: Individually evaluated for impairment | 0 | 0 |
Allowance for loan losses: Collectively evaluated for impairment | 238,000 | 240,000 |
Loans receivable, gross: Individually evaluated for impairment | 0 | 0 |
Loans receivable, gross: Collectively evaluated for impairment | 0 | 0 |
Total loans receivable, gross | $ 0 | $ 0 |

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://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=123577603&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/2009/role/commonPracticeRef -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=122038336&loc=d3e74567-122707 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=123577603&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=121614798&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=123577603&loc=SL6953423-111524 + Details
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