Discontinued Operations and Assets Held for Sale Discontinued Business Units Assets and Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Current Assets
Assets of Disposal Group, Including Discontinued Operation, Current	$ 0	$ 718
Current Liabilities
Total current liabilities of discontinued operations	21	171
Medical Products and Semiconductor Business Unit [Member]
Current Assets
Disposal Group, Including Discontinued Operation, Other Current Assets	0	718
Assets of Disposal Group, Including Discontinued Operation, Current	0	718
Total Assets of discontinued operations and assets held for sale	0	718
Current Liabilities
Accrued liabilities	21	171
Total current liabilities of discontinued operations	21	171
Total liabilities of discontinued operations	$ 21	$ 171