Note 11 - Minimum Regulatory Capital Requirement (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

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

	Actual					Minimum Capital Requirement (1)					Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions
	Amount		Ratio			Amount		Ratio			Amount		Ratio
December 31, 2018
Total capital (to risk weighted assets)	$	202,238		24.764	%	$	80,645		9.875	%	$	81,666		10.000	%
Tier 1 capital (to risk weighted assets)	$	194,823		23.856	%	$	64,312		7.875	%	$	65,333		8.000	%
Common Equity Tier 1 capital (to risk weighted assets)	$	194,823		23.856	%	$	52,062		6.375	%	$	53,083		6.500	%
Tier 1 capital (to average assets)	$	194,823		15.788	%	$	49,359		4.000	%	$	61,699		5.000	%

	Actual					Minimum Capital Requirement (1)					Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions
	Amount		Ratio			Amount		Ratio			Amount		Ratio
December 31, 201 7
Total capital (to risk weighted assets)	$	195,903		24.316	%	$	74,523		9.250	%	$	80,566		10.000	%
Tier 1 capital (to risk weighted assets)	$	187,978		23.332	%	$	58,410		7.250	%	$	64,452		8.000	%
Common Equity Tier 1 capital (to risk weighted assets)	$	187,978		23.332	%	$	46,325		5.750	%	$	52,368		6.500	%
Tier 1 capital (to average assets)	$	187,978		15.254	%	$	49,293		4.000	%	$	61,616		5.000	%