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Note 7 - Property, Plant and Equipment (Detail) - Property, plant and equipment, net (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Land $ 5,773 $ 5,773
Buildings and improvements 130,450 130,995
Equipment 110,355 110,353
Office furniture and equipment 11,492 10,558
Construction-in-progress 9,921 9,843
Property, plant and equipment, gross 267,991 267,522
Less: Accumulated depreciation (91,028) (86,764)
Property, plant and equipment, net $ 176,963 $ 180,758