Note 9 - Defined Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2015

Compensation and Retirement Disclosure [Abstract]

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

(In Thousands)	Pension				Postretirement
	Six Months Ended				Six Months Ended
	June 30,				June 30,
	2015		2014		2015		2014
Service cost	$0		$0		$19		$17
Interest cost	18		37		28		29
Expected return on plan assets	(23	)	(44	)	0		0
Amortization of prior service cost	0		0		(15	)	(16	)
Recognized net actuarial loss	7		8		0		0
Net periodic benefit cost	$2		$1		$32		$30

(In Thousands)	Pension				Postretirement
	Three Months Ended				Three Months Ended
	June 30,				June 30,
	2015		2014		2015		2014
Service cost	$0		$0		$9		$8
Interest cost	9		19		15		15
Expected return on plan assets	(12	)	(22	)	0		0
Amortization of prior service cost	0		0		(8	)	(8	)
Recognized net actuarial loss	3		4		0		0
Net periodic benefit cost	$0		$1		$16		$15