Note 22 - Derivative Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2019

Designated as Hedging Instrument [Member]

Notes Tables

Schedule of Interest Rate Derivatives [Table Text Block]

							Fair value
(dollars in thousands)				Pay fixed			December 31,
Notional		Maturity	Receive (variable) index	swap rate			2019			2018
$	10,000	12/6/2021	US 3 Month LIBOR		1.89	%	$	(45	)	$	193
	20,000	12/6/2020	US 3 Month LIBOR		1.79			(6	)		323
$	30,000				1.82		$	(51	)	$	516

Not Designated as Hedging Instrument [Member]

Notes Tables

Schedule of Interest Rate Derivatives [Table Text Block]

	Receiving				Paying
	December 31,		December 31,		December 31,		December 31,
(dollars in thousands)	2019		2018		2019		2018
Notional amount	$	99,000	$	55,505	$	99,000	$	55,505
Weighted average maturity (years)		8.2		8.0		8.2		8.0
Fair value	$	2,696	$	519	$	2,767	$	543