Note 9 - Postretirement Medical Benefits (Tables)

6 Months Ended

Jun. 30, 2012

Schedule of Net Benefit Costs [Table Text Block]

	Three Months Ended June 30,				Six Months Ended June 30,
(In thousands)	2012		2011		2012		2011
Service cost	$	154	$	108	$	308	$	216
Interest cost		152		151		304		302
Amortization of transition obligation		26		26		52		52
Recognized prior service cost		64		64		128		128
Recognized net actuarial loss		14		-		28		-
Net periodic benefit cost	$	410	$	349	$	820	$	698