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Note 10 - Pension and Other Postretirement Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2015

Retirement Plan [Member]

Note 10 - Pension and Other Postretirement Benefit Plans (Tables) [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

		Three months ended June 30,								Six months ended June 30,
(In thousands)		2015				2014				2015				2014

Employee Pension Plan:
Interest cost		$	221			$	223			$	442			$	446
Amortization of unrecognized loss			290				190				581				380
Expected return on plan assets			(350	)			(336	)			(700	)			(672	)
Net employee pension expense		$	161			$	77			$	323			$	154

Outside Director Pension Plan:
Service cost		$	11			$	13			$	22			$	26
Interest cost			24				29				48				58
Amortization of unrecognized gain			(14	)			(15	)			(28	)			(30	)
Amortization of past service liability			10				10				20				20
Net outside director pension expense		$	31			$	37			$	62			$	74

Other Postretirement Benefit Plans:
Service cost		$	95			$	90			$	190			$	180
Interest cost			75				63				150				126
Amortization of unrecognized loss			30				-				60				-
Amortization of past service credit			(22	)			(22	)			(43	)			(43	)
Net other postretirement expense		$	178			$	131			$	357			$	263