Property, Plant and Equipment (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Property, plant and equipment
Property, Plant and Equipment, gross	$ 20,610	$ 19,347
Less accumulated depreciation	(12,449)	(11,995)
Property, Plant and Equipment, net	8,161	7,352
Land
Property, plant and equipment
Property, Plant and Equipment, gross	290	290
Building and improvements
Property, plant and equipment
Property, Plant and Equipment, gross	3,721	3,387
Machinery, equipment, tools and dies
Property, plant and equipment
Property, Plant and Equipment, gross	13,040	12,633
Furniture, fixtures and other
Property, plant and equipment
Property, Plant and Equipment, gross	$ 3,559	$ 3,037

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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Gross amount 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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- 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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