Note 12 - Regulatory Matters (Tables)

3 Months Ended

Mar. 31, 2016

Disclosure Text Block [Abstract]

Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block]

											Minimum Required
											to be Well
						Minimum Required					Capitalized Under
						for Capital					Prompt Corrective
	Actual					Adequacy Purposes					Action Regulations
	Amount		Ratio			Amount		Ratio			Amount		Ratio
March 31, 2016
Total capital (to risk weighted assets)
Consolidated	$	340,557		13.1	%	$	207,722		8.0	%	$	NA		NA
Bank		340,668		13.1			207,495		8.0			259,369		10.0	%
Tier 1 capital (to risk weighted assets)
Consolidated		324,296		12.5			155,792		6.0			NA		NA
Bank		324,406		12.5			155,622		6.0			207,495		8.0
Common equity tier 1 (to risk weighted assets)
Consolidated		282,044		10.9			116,844		4.5			NA		NA
Bank		324,406		12.5			116,716		4.5			168,590		6.5
Tier 1 capital (to average assets)
Consolidated		324,296		11.4			113,529		4.0			NA		NA
Bank		324,406		11.4			113,448		4.0			141,810		5.0

											Minimum Required
											to be Well
						Minimum Required					Capitalized Under
						for Capital					Prompt Corrective
	Actual					Adequacy Purposes					Action Regulations
	Amount		Ratio			Amount		Ratio			Amount		Ratio
December 31, 2015
Total capital (to risk weighted assets)
Consolidated	$	345,539		13.5	%	$	205,602		8.0	%	$	NA		NA
Bank		347,433		13.5			205,624		8.0			257,030		10.0	%
Tier 1 capital (to risk weighted assets)
Consolidated		329,858		12.8			154,201		6.0			NA		NA
Bank		331,752		12.9			154,218		6.0			205,624		8.0
Common equity tier 1 (to risk weighted assets)
Consolidated		280,171		10.9			115,804		4.5			NA		NA
Bank		331,752		12.9			115,664		4.5			167,070		6.5
Tier 1 capital (to average assets)
Consolidated		329,858		11.6			114,138		4.0			NA		NA
Bank		331,752		11.6			114,280		4.0			142,850		5.0