Note 2 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Other Real Estate Foreclosed [Table Text Block]

	Year Ended December 31,
	2018			2017
Beginning balance	$	1,344,000		$	735,000
Additions		656,000			1,292,000
Dispositions		(675,000	)		(559,000	)
Write-downs		(155,000	)		(124,000	)
Ending balance	$	1,170,000		$	1,344,000

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	2018				2017
	Gross Carrying		Accumulated		Gross Carrying		Accumulated
	Amount		Amortization		Amount		Amortization
Core deposit intangibles	$	1,226,000	$	42,000	$	96,000	$	15,000

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

	2018		2016
Expected life of stock options (in years)		5.1		5.1
Risk free interest rate		2.38%		1.52%
Volatility		30.4%		53.6%
Dividend yields		1.39%		2.00%
Weighted-average fair value of options granted during the year		$6.54		$3.55