Note 17 - Regulatory Capital (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

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

	Actual					Required to be Adequately Capitalized					Excess Capital					To Be Well Capitalized Under Prompt Corrective Action Provisions
(Dollars in thousands)	Amount		Percent of Assets ( 1 )			Amount		Percent of Assets ( 1 )			Amount		Percent of Assets ( 1 )			Amount		Percent of Assets ( 1 )
December 31, 201 7
C ommon equity T ier 1 capital	$	76,279		12.45	%	$	27,561		4.50	%	$	48,718		7.95	%	$	39,810		6.50	%
Tier 1 leverage		76,279		10.68			28,569		4.00			47,710		6.68			35,711		5.00
Tier 1 r isk-based capital		76,279		12.45			36,748		6.00			39,531		6.45			48,997		8.00
To tal risk-based capital		83,957		13.71			48,997		8.00			34,960		5.71			61,246		10.00
December 31, 2016
Common equity T ier 1 capital	$	77,634		13.42	%	$	26,032		4.50	%	$	51,602		8.92	%	$	37,601		6.50	%
Tier 1 leverage		77,634		11.55			26,876		4.00			50,758		7.55			33,595		5.00
Tier 1 risk-based capital		77,634		13.42			34,709		6.00			42,925		7.42			46,278		8.00
Total risk-based capital		84,900		14.68			46,278		8.00			38,622		6.68			57,848		10.00