Note 7 - Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2014

Compensation and Retirement Disclosure [Abstract]

Schedule of Changes in Projected Benefit Obligations [Table Text Block]

(Dollars in thousands)	Three Months Ended March 31,
	2014			2013
Service cost	$	191		$	194
Interest cost		113			107
Expected return on plan assets		(208	)		(187	)
Amortization of prior service cost		(17	)		(17	)
Amortization of net loss		8			30
Net periodic benefit cost	$	87		$	127