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Note 4 - Allowance for Loan Losses - Allowance by Impairment Methodology and Loans by Impairment Methodology (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Dec. 31, 2018
Beginning balance | $ 5,009 | $ 5,326 | $ 5,326
Charge-offs | (603) | (795) | (1,169)
Recoveries | 306 | 170 | 252
Provision for (recovery of) loan losses | 200 | 100 | 600
Ending balance | 4,912 | 4,801 | 5,009
Individually evaluated for impairment, allowance | 74 | 107 | 243
Collectively evaluated for impairment, allowance | 4,838 | 4,694 | 4,766
Loans | 571,253 | 539,821 | 542,856
Individually evaluated for impairment, loans | 1,566 | 3,007 | 3,436
Collectively evaluated for impairment, loans | 569,687 | 536,814 | 539,420
Real Estate 1 [Member] | Construction and Land Development [Member] |  |  |
Beginning balance | 561 | 414 | 414
Charge-offs |  |  |
Recoveries | 50 |  |
Provision for (recovery of) loan losses | (119) | 128 | 147
Ending balance | 492 | 542 | 561
Individually evaluated for impairment, allowance | 31 | 87 | 71
Collectively evaluated for impairment, allowance | 461 | 455 | 490
Loans | 45,193 | 42,982 | 45,867
Individually evaluated for impairment, loans | 376 | 343 | 327
Collectively evaluated for impairment, loans | 44,817 | 42,639 | 45,540
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member] |  |  |
Beginning balance | 895 | 775 | 775
Charge-offs | (58) | (56) | (55)
Recoveries | 8 | 11 | 13
Provision for (recovery of) loan losses | (71) | (5) | 162
Ending balance | 774 | 725 | 895
Individually evaluated for impairment, allowance | 16 | 20 | 172
Collectively evaluated for impairment, allowance | 758 | 705 | 723
Loans | 226,828 | 211,938 | 215,945
Individually evaluated for impairment, loans | 690 | 438 | 663
Collectively evaluated for impairment, loans | 226,138 | 211,500 | 215,282
Real Estate 1 [Member] | Other Real Estate Loans [Member] |  |  |
Beginning balance | 2,160 | 2,948 | 2,948
Charge-offs |  |  |
Recoveries |  | 1 | 5
Provision for (recovery of) loan losses | 166 | (677) | (793)
Ending balance | 2,326 | 2,272 | 2,160
Individually evaluated for impairment, allowance | 27 |  |
Collectively evaluated for impairment, allowance | 2,299 | 2,272 | 2,160
Loans | 233,067 | 224,903 | 219,553
Individually evaluated for impairment, loans | 500 | 2,029 | 2,249
Collectively evaluated for impairment, loans | 232,567 | 222,874 | 217,304
Commercial and Industrial Loans [Member] |  |  |
Beginning balance | 464 | 418 | 418
Charge-offs | (2) | (8) | (10)
Recoveries | 6 | 6 | 8
Provision for (recovery of) loan losses | 98 | 26 | 48
Ending balance | 566 | 442 | 464
Individually evaluated for impairment, allowance |  |  |
Collectively evaluated for impairment, allowance | 566 | 442 | 464
Loans | 50,557 | 42,861 | 44,605
Individually evaluated for impairment, loans |  | 197 | 197
Collectively evaluated for impairment, loans | 50,557 | 42,664 | 44,408
Consumer and Other Loans [Member] |  |  |
Beginning balance | 929 | 771 | 771
Charge-offs | (543) | (731) | (1,104)
Recoveries | 242 | 152 | 226
Provision for (recovery of) loan losses | 126 | 628 | 1,036
Ending balance | 754 | 820 | 929
Individually evaluated for impairment, allowance |  |  |
Collectively evaluated for impairment, allowance | 754 | 820 | 929
Loans | 15,608 | 17,137 | 16,886
Individually evaluated for impairment, loans |  |  |
Collectively evaluated for impairment, loans | $ 15,608 | $ 17,137 | $ 16,886

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- Definition Represents the amount of provision (reduction in reserve) for loan losses during the period. + References No definition available. + Details
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- Definition Amount of direct write-downs of accounts receivable charged against the allowance. + 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 http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 + Details
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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=118936363&loc=SL6953423-111524 + Details
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- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + 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 (g) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 + Details
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- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + 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 (g) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 + Details
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- Definition The balance of financing receivables that were collectively evaluated for impairment. + 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 (h) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 + Details
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- Definition The balance of financing receivables that were individually evaluated for impairment. + 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 (h) -URI http://asc.fasb.org/extlink&oid=118936363&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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 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=118936363&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=118939070&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=118936363&loc=SL6953423-111524 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -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=27010918&loc=d3e74567-122707 + 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 http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522 + Details
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