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Note 15 - Regulatory and Operational Matters | 12 Months Ended
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Dec. 31, 2015
Disclosure Text Block [Abstract] |
Regulatory Capital Requirements under Banking Regulations [Text Block] |
Note 15. | Regulatory and Operational Matters
On September 29, 2014, Patriot National Bancorp, Inc. was notified by the Office of the Comptroller of the Currency (the "OCC") that the formal agreement between Patriot National Bank (the "Bank") and the OCC, dated February 9, 2009, had been terminated. This action was taken because the OCC no longer considers the Bank to be in "troubled condition". The decision to terminate the formal agreement was due to, among other things, the satisfactory ratings of the Bank's asset quality, liquidity, management and regulatory capital position following the Bank’s successful control recapitalization and turnaround plan. State and Federal regulatory authorities have adopted standards for the maintenance of adequate levels of capital by the Company. Beginning January 1, 2015, Federal banking agencies impose four minimum capital requirements on the Company's risk-based capital ratios based on total capital, Tier 1 capital, CET 1 capital, and a leverage capital ratio. The risk-based capital ratios measure the adequacy of a bank's capital against the riskiness of its assets and off-balance sheet activities. Failure to maintain adequate capital is a basis for "prompt corrective action" or other regulatory enforcement action. In assessing a bank's capital adequacy, regulators also consider other factors such as interest rate risk exposure; liquidity, funding and market risks; quality and level or earnings; concentrations of credit; quality of loans and investments; risks of any nontraditional activities; effectiveness of bank policies; and management's overall ability to monitor and control risks. Capital adequacy is one of the most important factors used to determine the safety and soundness of individual banks and the banking system. Under the regulatory framework for prompt correction action, to be considered “well capitalized,” an institution must generally have a leverage capital ratio of at least 5.0%, Common Equity Tier 1 capital ratio at least 6.5%, a Tier 1 risk-based capital ratio of at least 8.0% and a total risk-based capital ratio of at least 10%. However, the OCC has the discretion to require increased capital ratios, and dividend restrictions in 2013, 2014 and 2015. Management continuously assesses the adequacy of the Bank’s capital with the goal to maintain a “well capitalized” classification. The Company’s and the Bank’s actual capital amounts and ratios at December 31, 2015 and 2014 were:
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | To Be Well |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Capitalized Under |
|  |  |  |  |  |  |  |  |  | For Capital |  |  | Prompt Corrective |
|  | Actual |  |  | Adequacy Purposes |  |  | Action Provisions |
(dollars in thousands) |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |
2015 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
The Company: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Tier 1 Leverage Capital (to Average Assets) |  | $ | 59,595 |  |  |  | 9.77 | % |  | $ | 24,401 |  |  |  | 4.00 | % |  |  | N/A |  |  |  | N/A |
Common Equity Tier 1 Capital (to Risk Weighted Assets) |  |  | 51,595 |  |  |  | 10.04 | % |  |  | 23,119 |  |  |  | 4.50 | % |  |  | N/A |  |  |  | N/A |
Tier 1 Capital (to Risk Weighted Assets) |  |  | 59,595 |  |  |  | 11.60 | % |  |  | 30,826 |  |  |  | 6.00 | % |  |  | N/A |  |  |  | N/A |
Total Capital (to Risk Weighted Assets) |  |  | 64,845 |  |  |  | 12.62 | % |  |  | 41,101 |  |  |  | 8.00 | % |  |  | N/A |  |  |  | N/A |
The Bank: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Tier 1 Leverage Capital (to Average Assets) |  | $ | 59,958 |  |  |  | 9.83 | % |  | $ | 24,393 |  |  |  | 4.00 | % |  | $ | 30,491 |  |  |  | 5.00 | %
Common Equity Tier 1 Capital (to Risk Weighted Assets) |  |  | 59,958 |  |  |  | 11.72 | % |  |  | 23,029 |  |  |  | 4.50 | % |  |  | 33,265 |  |  |  | 6.50 | %
Tier 1 Capital (to Risk Weighted Assets) |  |  | 59,958 |  |  |  | 11.72 | % |  |  | 30,706 |  |  |  | 6.00 | % |  |  | 40,941 |  |  |  | 8.00 | %
Total Capital (to Risk Weighted Assets) |  |  | 65,207 |  |  |  | 12.74 | % |  |  | 40,941 |  |  |  | 8.00 | % |  |  | 51,177 |  |  |  | 10.00 | %
2014 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
The Company: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Capital (to Risk Weighted Assets) |  | $ | 63,142 |  |  |  | 14.08 | % |  | $ | 35,884 |  |  |  | 8.00 | % |  |  | N/A |  |  |  | N/A |
Common Equity Tier 1 Capital (to Risk Weighted Assets) |  |  | N/A |  |  |  | N/A |  |  |  | N/A |  |  |  | N/A |  |  |  | N/A |  |  |  | N/A |
Tier 1 Capital (to Risk Weighted Assets) |  |  | 58,218 |  |  |  | 12.98 | % |  |  | 17,942 |  |  |  | 4.00 | % |  |  | N/A |  |  |  | N/A |
Tier 1 Capital (to Average Assets) |  |  | 58,218 |  |  |  | 9.62 | % |  |  | 24,210 |  |  |  | 4.00 | % |  |  | N/A |  |  |  | N/A |
The Bank: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Capital (to Risk Weighted Assets) |  | $ | 63,151 |  |  |  | 14.08 | % |  | $ | 35,891 |  |  |  | 8.00 | % |  |  | N/A |  |  |  | N/A |
Common Equity Tier 1 Capital (to Risk Weighted Assets) |  |  | N/A |  |  |  | N/A |  |  |  | N/A |  |  |  | N/A |  |  |  | N/A |  |  |  | N/A |
Tier 1 Capital (to Risk Weighted Assets) |  |  | 58,227 |  |  |  | 12.98 | % |  |  | 17,946 |  |  |  | 4.00 | % |  |  | N/A |  |  |  | N/A |
Tier 1 Capital (to Average Assets) |  |  | 58,227 |  |  |  | 9.63 | % |  |  | 24,198 |  |  |  | 4.00 | % |  |  | N/A |  |  |  | N/A |

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- Definition The entire disclosure for banks, savings institutions, and credit unions, for regulatory capital requirements imposed by the Federal Reserve System (FRB), the Federal Deposit Insurance Corporation (FDIC), the Office of Thrift Supervision (OTS) or for any state imposed capital requirements, as applicable. The disclosure may include (1) a description of regulatory capital requirements (a) for capital adequacy purposes and (b) established by the prompt corrective action provisions of Section 38 of the Federal Depository Insurance Act; (2) the actual or possible material effects of noncompliance with such requirements; (3) whether the entity is in compliance with the regulatory capital requirements including (a) required and actual ratios and amounts of Tier 1 leverage, Tier 1 risk-based, and total risk-based capital, tangible capital (for savings institutions), and Tier 3 capital for market risk (for certain banks and bank holding companies), (b) factors that may significantly affect capital adequacy; (4) the prompt corrective action category in which the entity was classified as of its most recent notification; (5) whether management believes any conditions or events since notification have changed the entity's category. Also may include additional information that might be disclosed in situations where substantial doubt about the entity's ability to continue as a going concern for a reasonable period of time. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1G -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958577-112826 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1C -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958572-112826 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1E -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958574-112826 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -URI http://asc.fasb.org/extlink&oid=35709795&loc=d3e65071-112826 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958569-112826 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958570-112826 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1F -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958575-112826 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958568-112826 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1D -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958573-112826 + Details
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