Note 7 - Derivative Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2016

Designated as Hedging Instrument [Member]

Notes Tables

Schedule of Interest Rate Derivatives [Table Text Block]

(dollars in thousands)
										Fair value
Notional		Maturity	Receive (variable)	Pay fixed			Fair value			December 31,
amount		date	index	swap rate			June 30, 2016			2015
$	10,000	12/6/2016	US 3 Month LIBOR		0.72	%	$	-		$	8
	20,000	12/6/2020	US 3 Month LIBOR		1.79	%		(766	)		(101	)
$	30,000				1.43	%	$	(766	)	$	(93	)

Not Designated as Hedging Instrument [Member]

Notes Tables

Schedule of Interest Rate Derivatives [Table Text Block]

(dollar amounts in thousands)	Receiving						Paying
	June 30,			December 31,			June 30,		December 31,
	2016			2015			2016		2015
Notional amount	$	25,657		$	10,788		$	25,657	$	10,788
Weighted average maturity (years)		7.4			6.9			7.4		6.9
Fair value	$	(1,282	)	$	(461	)	$	1,282	$	461