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Note 3 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans - Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021
Balance | $ 7,674 | $ 8,481 | $ 8,481
Charge-offs | (60) | (47) | (755)
Recoveries | 40 | 52 | 346
Provision for loan losses | 134 | 50 | (398)
Balance | 7,788 | 8,536 | 7,674
Real Estate Construction Portfolio Segment[Member] |  |  |
Balance | 422 | 503 | 503
Provision for loan losses | 171 | 8 | (81)
Balance | 593 | 511 | 422
Consumer Real Estate Portfolio Segment [Member] |  |  |
Balance | 1,930 | 2,165 | 2,165
Charge-offs | 0 | 0 | (13)
Recoveries | 0 | 0 | 20
Provision for loan losses | 5 | 201 | (242)
Balance | 1,935 | 2,366 | 1,930
Commercial Real Estate Portfolio Segment [Member] |  |  |
Balance | 3,121 | 3,853 | 3,853
Charge-offs | 0 | 0 | 0
Recoveries | 12 | 12 | 159
Provision for loan losses | 290 | (3) | (891)
Balance | 3,423 | 3,862 | 3,121
Commercial Non Real Estate Segment [Member] |  |  |
Balance | 1,099 | 670 | 670
Charge-offs | 0 | 0 | (526)
Recoveries | 3 | 2 | 33
Provision for loan losses | (158) | (38) | 922
Balance | 944 | 634 | 1,099
Public Sector and IDA Portfolio Segment[Member] |  |  |
Balance | 297 | 339 | 339
Provision for loan losses | 10 | (28) | (42)
Balance | 307 | 311 | 297
Consumer Non Real Estate Portfolio Segment [Member] |  |  |
Balance | 444 | 555 | 555
Charge-offs | (60) | (47) | (216)
Recoveries | 25 | 38 | 134
Provision for loan losses | 6 | (50) | (29)
Balance | 415 | 496 | 444
Unallocated Financing Receivables [Member] |  |  |
Balance | 361 | 396 | 396
Provision for loan losses | (190) | (40) | (35)
Balance | $ 171 | $ 356 | $ 361

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- Definition Amount of increase in allowance for credit loss on financing receivable from recovery. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI https://asc.fasb.org/extlink&oid=124267575&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 3: 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 https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
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- Definition Amount of writeoff of financing receivable, charged against allowance for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 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 (c)(3) -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI https://asc.fasb.org/extlink&oid=124267575&loc=SL82922352-210448 + 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 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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