Note 6 - Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2013

Compensation and Retirement Disclosure [Abstract]

Schedule of Net Benefit Costs [Table Text Block]

(Dollars in thousands)	Three Months Ended June 30,						Six Months Ended June 30,
	2013			2012			2013			2012
Service cost	$	194		$	159		$	388		$	318
Interest cost		107			99			213			198
Expected return on plan assets		(187	)		(158	)		(374	)		(316	)
Amortization of prior service cost		(17	)		(17	)		(34	)		(34	)
Amortization of net loss		31			26			61			52
Net periodic benefit cost	$	128		$	109		$	254		$	218