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Note 19 - Regulatory and Operational Matters (Tables) | 12 Months Ended
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Dec. 31, 2020
Notes Tables |
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block] |
(In thousands) |  | Patriot National Bancorp, Inc. |  |  | Patriot Bank, N.A. |
|  | December 31, 2020 |  |  | December 31, 2019 |  |  | December 31, 2020 |  |  | December 31, 2019 |
|  | Amount ($) |  |  | Ratio (%) |  |  | Amount ($) |  |  | Ratio (%) |  |  | Amount ($) |  |  | Ratio (%) |  |  | Amount ($) |  |  | Ratio (%) |
Total Capital (to risk weighted assets): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Actual |  | $ | 87,428 |  |  |  | 11.132 |  |  | $ | 90,083 |  |  |  | 10.510 |  |  | $ | 97,226 |  |  |  | 12.392 |  |  | $ | 100,953 |  |  |  | 11.826 |
To be Well Capitalized (1) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 78,461 |  |  |  | 10.000 |  |  |  | 85,362 |  |  |  | 10.000 |
For capital adequacy with Capital Buffer (2) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 82,384 |  |  |  | 10.500 |  |  |  | 89,630 |  |  |  | 10.500 |
For capital adequacy |  |  | 62,827 |  |  |  | 8.000 |  |  |  | 68,573 |  |  |  | 8.000 |  |  |  | 62,769 |  |  |  | 8.000 |  |  |  | 68,290 |  |  |  | 8.000 |
Tier 1 Capital (to risk weighted assets): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Actual |  |  | 67,602 |  |  |  | 8.608 |  |  |  | 69,957 |  |  |  | 8.161 |  |  |  | 87,700 |  |  |  | 11.177 |  |  |  | 90,827 |  |  |  | 10.640 |
To be Well Capitalized (1) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 62,769 |  |  |  | 8.000 |  |  |  | 68,290 |  |  |  | 8.000 |
For capital adequacy with Capital Buffer (2) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 66,692 |  |  |  | 8.500 |  |  |  | 72,558 |  |  |  | 8.500 |
For capital adequacy |  |  | 47,120 |  |  |  | 6.000 |  |  |  | 51,430 |  |  |  | 6.000 |  |  |  | 47,077 |  |  |  | 6.000 |  |  |  | 51,217 |  |  |  | 6.000 |
Common Equity Tier 1 Capital (to risk weighted assets): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Actual |  |  | 59,602 |  |  |  | 7.589 |  |  |  | 61,957 |  |  |  | 7.228 |  |  |  | 87,700 |  |  |  | 11.177 |  |  |  | 90,827 |  |  |  | 10.640 |
To be Well Capitalized (1) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 51,000 |  |  |  | 6.500 |  |  |  | 55,485 |  |  |  | 6.500 |
For capital adequacy with Capital Buffer (2) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 54,923 |  |  |  | 7.000 |  |  |  | 59,753 |  |  |  | 7.000 |
For capital adequacy |  |  | 35,340 |  |  |  | 4.500 |  |  |  | 38,572 |  |  |  | 4.500 |  |  |  | 35,308 |  |  |  | 4.500 |  |  |  | 38,413 |  |  |  | 4.500 |
Tier 1 Leverage Capital (to average assets): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Actual |  |  | 67,602 |  |  |  | 7.539 |  |  |  | 69,957 |  |  |  | 7.148 |  |  |  | 87,700 |  |  |  | 9.802 |  |  |  | 90,827 |  |  |  | 9.279 |
To be Well Capitalized (1) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 44,736 |  |  |  | 5.000 |  |  |  | 48,944 |  |  |  | 5.000 |
For capital adequacy |  |  | 35,868 |  |  |  | 4.000 |  |  |  | 39,148 |  |  |  | 4.000 |  |  |  | 35,789 |  |  |  | 4.000 |  |  |  | 39,155 |  |  |  | 4.000 |

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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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