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Note 10 - Regulatory and Operational Matters (Tables) | 3 Months Ended
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Mar. 31, 2019
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. |
|  | March 31, 2019 |  |  | December 31, 2018 |  |  | March 31, 2019 |  |  | December 31, 2018 |
|  | Amount ($) |  |  | Ratio (%) |  |  | Amount ($) |  |  | Ratio (%) |  |  | Amount ($) |  |  | Ratio (%) |  |  | Amount ($) |  |  | Ratio (%) |
Total Capital (to risk weighted assets): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Actual |  |  | 91,489 |  |  |  | 10.332 |  |  |  | 90,722 |  |  |  | 10.452 |  |  |  | 101,239 |  |  |  | 11.908 |  |  |  | 99,341 |  |  |  | 11.500 |
To be Well Capitalized (1) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 85,016 |  |  |  | 10.000 |  |  |  | 86,384 |  |  |  | 10.000 |
For capital adequacy with Capital Buffer (2) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 89,267 |  |  |  | 10.500 |  |  |  | 85,304 |  |  |  | 9.875 |
For capital adequacy |  |  | 70,836 |  |  |  | 8.000 |  |  |  | 69,441 |  |  |  | 8.000 |  |  |  | 68,013 |  |  |  | 8.000 |  |  |  | 69,107 |  |  |  | 8.000 |
Tier 1 Capital (to risk weighted assets): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Actual |  |  | 73,654 |  |  |  | 8.318 |  |  |  | 73,101 |  |  |  | 8.422 |  |  |  | 93,404 |  |  |  | 10.987 |  |  |  | 91,720 |  |  |  | 10.618 |
To be Well Capitalized (1) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 68,013 |  |  |  | 8.000 |  |  |  | 69,107 |  |  |  | 8.000 |
For capital adequacy with Capital Buffer (2) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 72,264 |  |  |  | 8.500 |  |  |  | 68,027 |  |  |  | 7.875 |
For capital adequacy |  |  | 53,127 |  |  |  | 6.000 |  |  |  | 52,081 |  |  |  | 6.000 |  |  |  | 51,010 |  |  |  | 6.000 |  |  |  | 51,830 |  |  |  | 6.000 |
Common Equity Tier 1 Capital (to risk weighted assets): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Actual |  |  | 65,654 |  |  |  | 7.415 |  |  |  | 65,101 |  |  |  | 7.500 |  |  |  | 93,404 |  |  |  | 10.987 |  |  |  | 91,720 |  |  |  | 10.618 |
To be Well Capitalized (1) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 55,260 |  |  |  | 6.500 |  |  |  | 56,149 |  |  |  | 6.500 |
For capital adequacy with Capital Buffer (2) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 59,511 |  |  |  | 7.000 |  |  |  | 55,069 |  |  |  | 6.375 |
For capital adequacy |  |  | 39,845 |  |  |  | 4.500 |  |  |  | 39,061 |  |  |  | 4.500 |  |  |  | 38,257 |  |  |  | 4.500 |  |  |  | 38,873 |  |  |  | 4.500 |
Tier 1 Leverage Capital (to average assets): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Actual |  |  | 73,654 |  |  |  | 7.721 |  |  |  | 73,101 |  |  |  | 7.842 |  |  |  | 93,404 |  |  |  | 9.789 |  |  |  | 91,720 |  |  |  | 9.838 |
To be Well Capitalized (1) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 47,707 |  |  |  | 5.000 |  |  |  | 46,617 |  |  |  | 5.000 |
For capital adequacy |  |  | 38,160 |  |  |  | 4.000 |  |  |  | 37,288 |  |  |  | 4.000 |  |  |  | 38,166 |  |  |  | 4.000 |  |  |  | 37,294 |  |  |  | 4.000 |

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