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Note 4 - Loans Receivables and Allowance for Loan and Lease Losses - Loan Portfolio (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | --- | --- | --- | --- | ---
Loans receivable, gross | $ 859,107 |  | $ 739,488 |  |  |
Allowance for loan and lease losses | (9,929) | $ (9,737) | (9,905) | $ (10,362) | $ (10,426) | $ (10,584)
Loans receivable, net | 849,178 |  | 729,583 |  |  |
Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |  |
Loans receivable, gross | 448,884 |  | 365,247 |  |  |
Allowance for loan and lease losses | (4,980) | (4,889) | (5,063) | (4,079) | (4,154) | (4,485)
Residential Portfolio Segment [Member] |  |  |  |  |  |
Loans receivable, gross | 138,739 |  | 158,591 |  |  |
Allowance for loan and lease losses | (1,395) | (1,512) | (1,700) | (2,003) | (1,909) | (1,379)
Commercial Portfolio Segment [Member] |  |  |  |  |  |
Loans receivable, gross | 133,281 |  | 122,810 |  |  |
Allowance for loan and lease losses | (2,316) | (2,860) | (2,532) | (3,212) | (3,624) | (3,284)
Consumer Portfolio Segment [Member] |  |  |  |  |  |
Loans receivable, gross | 122,858 |  | 59,364 |  |  |
Allowance for loan and lease losses | (1,063) | (319) | (253) | (391) | (382) | (295)
Construction Portfolio Segment [Member] |  |  |  |  |  |
Loans receivable, gross | 12,221 |  | 21,781 |  |  |
Allowance for loan and lease losses | (58) | (56) | (78) | (369) | (280) | (739)
Construction to Permanent Portfolio Segment [Member] |  |  |  |  |  |
Loans receivable, gross | 3,124 |  | 11,695 |  |  |
Allowance for loan and lease losses | $ (15) | $ (9) | $ (41) | $ (144) | $ (77) | $ (162)

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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 https://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 https://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 https://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 https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
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- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes 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 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522 + Details
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- Definition Amortized cost, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522 + Details
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