Equipment and Leasehold Improvements
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12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2012
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Property, Plant and Equipment [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Equipment and Leasehold Improvements | 4. Equipment and Leasehold Improvements The carrying value of equipment and leasehold improvements by classification was as follows for the periods indicated.
Depreciation and amortization expense for the years ended December 31, 2012, 2011, and 2010 was $4,450, $3,277, and $2,526, respectively. |