v2.4.0.6
Summary of Significant Accounting Policies Property and Equipment (Details)
12 Months Ended
Dec. 31, 2011
Machinery and Equipment [Member]
 
Property, Plant and Equipment [Line Items]  
Useful Life, Minimum 3.0
Useful Life, Maximum 5.0
Leasehold Improvements [Member]
 
Property, Plant and Equipment [Line Items]  
Useful Life, Minimum 5.0
Useful Life, Maximum 10.0
Building [Member]
 
Property, Plant and Equipment [Line Items]  
Useful Life, Maximum 25.0