Note 9 - Defined Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2017

Notes Tables

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

Defined Benefit Plans
(In Thousands)	Pension						Postretirement
	Nine Months Ended						Nine Months Ended
	Sept. 30,						Sept. 30,
	2017			2016			2017			2016
Service cost	$	0		$	0		$	27		$	27
Interest cost		18			20			43			47
Expected return on plan assets		(23	)		(20	)		0			0
Amortization of prior service cost		0			0			(23	)		(23	)
Recognized net actuarial loss		5			8			0			0
Net periodic benefit cost	$	0		$	8		$	47		$	51

Defined Benefit Plans
(In Thousands)	Pension						Postretirement
	Three Months Ended						Three Months Ended
	Sept. 30,						Sept. 30,
	2017			2016			2017			2016
Service cost	$	0		$	0		$	9		$	9
Interest cost		6			7			15			16
Expected return on plan assets		(8	)		(7	)		0			0
Amortization of prior service cost		0			0			(8	)		(8	)
Recognized net actuarial loss		2			3			0			0
Net periodic benefit cost	$	0		$	3		$	16		$	17