Summary of Significant Accounting Policies (Details 3)	12 Months Ended
	Dec. 31, 2012
Buildings [Member]
Property and equipment, Estimated useful lives
Property, Plant and Equipment, Useful Life	39 years
Machinery, equipment and tooling [Member] | Maximum [Member]
Property and equipment, Estimated useful lives
Property, Plant and Equipment, Useful Life	10 years
Machinery, equipment and tooling [Member] | Minimum [Member]
Property and equipment, Estimated useful lives
Property, Plant and Equipment, Useful Life	3 years
Leasehold improvements [Member]
Property and equipment, Estimated useful lives
Property and equipment, Estimated useful lives	Lesser of life of lease or economic life
Furniture and fixtures [Member]
Property and equipment, Estimated useful lives
Property, Plant and Equipment, Useful Life	7 years
Information systems [Member]
Property and equipment, Estimated useful lives
Property, Plant and Equipment, Useful Life	3 years