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Note 7 - Capital Requirements (Tables) | 9 Months Ended
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Sep. 30, 2020
Notes Tables |
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block] |
|  | Actual |  |  | Minimum Capital Requirement |  |  | Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions |
|  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |
September 30, 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Capital (to Risk-Weighted Assets) |  | $ | 89,155 |  |  |  | 15.34 | % |  | $ | 46,500 |  |  |  | 8.00 | % |  | $ | 58,125 |  |  |  | 10.00 | %
Tier 1 Capital (to Risk-Weighted Assets) |  | $ | 81,883 |  |  |  | 14.09 | % |  | $ | 34,875 |  |  |  | 6.00 | % |  | $ | 46,500 |  |  |  | 8.00 | %
Common Equity Tier 1 Capital (to Risk-Weighted Assets) |  | $ | 81,883 |  |  |  | 14.09 | % |  | $ | 26,156 |  |  |  | 4.50 | % |  | $ | 37,782 |  |  |  | 6.50 | %
Tier 1 Capital (to Average Assets) |  | $ | 81,883 |  |  |  | 8.67 | % |  | $ | 37,776 |  |  |  | 4.00 | % |  | $ | 47,220 |  |  |  | 5.00 | %
December 31, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Capital (to Risk-Weighted Assets) |  | $ | 85,439 |  |  |  | 14.84 | % |  | $ | 46,046 |  |  |  | 8.00 | % |  | $ | 57,557 |  |  |  | 10.00 | %
Tier 1 Capital (to Risk-Weighted Assets) |  | $ | 80,505 |  |  |  | 13.99 | % |  | $ | 34,534 |  |  |  | 6.00 | % |  | $ | 46,046 |  |  |  | 8.00 | %
Common Equity Tier 1 Capital (to Risk-Weighted Assets) |  | $ | 80,505 |  |  |  | 13.99 | % |  | $ | 25,901 |  |  |  | 4.50 | % |  | $ | 37,412 |  |  |  | 6.50 | %
Tier 1 Capital (to Average Assets) |  | $ | 80,505 |  |  |  | 10.13 | % |  | $ | 31,799 |  |  |  | 4.00 | % |  | $ | 39,749 |  |  |  | 5.00 | %

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- Definition Tabular disclosure of the capital amounts and ratios as of the balance sheet date, indicating whether the entity or entities are in compliance with regulatory capital requirements, by entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958570-112826 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 + Details
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