Note 17 - Regulatory Capital (Tables)

12 Months Ended

Dec. 31, 2016

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, 2016
Common equity tier 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
December 31, 2015
Common equity tier 1 capital	$	71,520		14.08	%	$	22,854		4.50	%	$	48,666		9.58	%	$	33,012		6.50	%
Tier 1 leverage		71,520		11.46			24,971		4.00			46,549		7.46			31,213		5.00
Tier 1 risk-based capital		71,520		14.08			30,473		6.00			41,047		8.08			40,630		8.00
Total risk-based capital		77,934		15.35			40,630		8.00			37,304		7.35			50,788		10.00