Note 8 - Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Servicing Liability at Amortized Cost [Table Text Block]

(Dollars in thousands)	2018			2017
Mortgage servicing rights:
Balance, beginning of year	$	1,724			1,604
Originations		682			675
Amortization		(551	)		(555	)
Balance, end of year		1,855			1,724
Valuation reserve		0			0
Mortgage servicing rights, net	$	1,855			1,724
Fair value of mortgage servicing rights	$	3,901			3,196

Summary of Risk Characteristics of Loans Being Serviced [Table Text Block]

(Dollars in thousands)	Loan Principal Balance		Weighted Average Interest Rate			Weighted Average Remaining Term (months)		Number of Loans
Original term:
30 year fixed rate	$	301,378		4.17	%		307		2,314
15 year fixed rate		93,698		3.17			130		964
Adjustable rate		53		4.38			269		2

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

	Gross					Unamortized
	Carrying		Accumulated			Intangible
(Dollars in thousands)	Amount		Amortization			Assets
December 31, 201 8
Mortgage servicing rights	$	4,526		(2,671	)		1,855
Core deposit intangibles		574		(319	)		255
Goodwill		802		0			802
Total	$	5,902		(2,990	)		2,912
December 31, 2017
Mortgage servicing rights	$	4,244		(2,520	)		1,724
Core deposit intangibles		574		(219	)		355
Goodwill		802		0			802
Total	$	5,620		(2,739	)		2,881

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

(Dollars in thousands)	Mortgage Servicing Rights		Core Deposit Intangible		Total Amortizing Intangible Assets
Year ended December 31,
2019	$	467		99		566
2020		389		99		488
2021		344		47		391
2022		284		10		294
2023		206		0		206
Thereafter		165		0		165
	$	1,855		255		2,110