Acquisitions Intangible Assets Fair Value and Weighted Average Life (Details) (MEI Conlux Holdings [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013
Finite Lived Intangible Assets [Line Items]
Intangible assets	$ 302
Trademarks and Trade Names [Member]
Finite Lived Intangible Assets [Line Items]
Intangible assets	7
Weighted average life, in years	6 years 8 months 12 days
Customer Relationships [Member]
Finite Lived Intangible Assets [Line Items]
Intangible assets	277
Weighted average life, in years	16 years 7 months 6 days
Order or Production Backlog [Member]
Finite Lived Intangible Assets [Line Items]
Intangible assets	5
Weighted average life, in years	3 months 18 days
Developed Technology Rights [Member]
Finite Lived Intangible Assets [Line Items]
Intangible assets	$ 13
Weighted average life, in years	5 years 8 months 12 days