Property and Equipment (Tables)	12 Months Ended
Dec. 31, 2012
Property and Equipment [Abstract]
Summary of property and Equipment	Summary of property and Equipment

- Definition

Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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