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Note 6 - Property, Plant and Equipment (Detail) - Property, Plant and Equipment - Held and Not Used (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
2012
Machinery and equipment, held and not used	$ 6,643	$ 11,117
Less accumulated depreciation	(8,821)	(10,520)
Total property, plant and equipment held and not used	4,076	6,870
Held and Note Used [Member]
2012
Machinery and equipment, held and not used	4,249
Less accumulated depreciation	(2,392)
Total property, plant and equipment held and not used	$ 1,857

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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