Note 7 - Mortgage Servicing Rights, Net (Tables)

12 Months Ended

Dec. 31, 2014

Transfers and Servicing [Abstract]

Servicing Liability at Amortized Cost [Table Text Block]

(Dollars in thousands)	2014			2013
Mortgage servicing rights:
Balance, beginning of year	$	1,708			1,732
Originations		316			568
Amortization		(517	)		(592	)
Balance, end of year		1,507			1,708
Valuation reserve		0			0
Mortgage servicing rights, net	$	1,507			1,708
Fair value of mortgage servicing rights	$	2,562			2,801

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	$	205,032		4.30	%		299		1,758
15 year fixed rate		110,912		3.33			140		1,256
Adjustable rate		181		3.96			318		3

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

	Gross					Unamortized
	Carrying		Accumulated			Mortgage
(Dollars in thousands)	Amount		Amortization			Servicing Rights
December 31, 2014
Mortgage servicing rights	$	3,600		(2,093	)		1,507
December 31, 2013
Mortgage servicing rights	$	3,638		(1,930	)		1,708

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

	Mortgage
(Dollars in thousands)	Servicing
Year ended December 31,	Rights
2015	$	425
2016		382
2017		297
2018		199
2019		132
Thereafter		72
	$	1,507