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Note 15 - Regulatory and Operational Matters (Tables)

12 Months Ended

Dec. 31, 2017

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, 2017								December 31, 2016								December 31, 2017								December 31, 2016
		Amount ($)				Ratio (%)				Amount ($)				Ratio (%)				Amount ($)				Ratio (%)				Amount ($)				Ratio (%)
Total Capital (to risk weighted assets):
Actual			74,264				10.092				66,254				10.603				83,711				11.406				74,303				11.928
To be Well Capitalized (1)			-				-				-				-				73,393				10.000				62,292				10.000
For capital adequacy with Capital Buffer (2)			-				-				-				-				67,889				9.250				53,727				8.625
For capital adequacy			58,868				8.000				49,989				8.000				58,715				8.000				49,834				8.000
Tier 1 Capital (to risk weighted assets):
Actual			67,959				9.235				61,571				9.854				77,407				10.547				69,620				11.176
To be Well Capitalized (1)			-				-				-				-				58,715				8.000				49,834				8.000
For capital adequacy with Capital Buffer (2)			-				-				-				-				53,210				7.250				41,269				6.625
For capital adequacy			44,151				6.000				37,491				6.000				44,036				6.000				37,375				6.000
Common Equity Tier 1 Capital  (to risk weighted assets):
Actual			59,959				8.148				53,571				8.573				77,407				10.547				69,620				11.176
To be Well Capitalized (1)			-				-				-				-				47,706				6.500				40,490				6.500
For capital adequacy with Capital Buffer (2)			-				-				-				-				42,201				5.750				31,925				5.125
For capital adequacy			33,113				4.500				28,119				4.500				33,027				4.500				28,031				4.500
Tier 1 Leverage Capital (to average assets):
Actual			67,959				8.219				61,571				9.296				77,407				9.360				69,620				10.518
To be Well Capitalized (1)			-				-				-				-				41,351				5.000				33,096				5.000
For capital adequacy			33,072				4.000				26,494				4.000				33,081				4.000				26,477				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/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 505
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958570-112826

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 505
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958568-112826

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 505
-Section 50
-Paragraph 1H
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=84167132&loc=d3e65071-112826

Reference 4: 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=84167132&loc=SL5958577-112826

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- References

No definition available.

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