Discontinued Operations and Assets Held for Sale Discontinued Business Units Assets and Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Current Assets
Assets of Disposal Group, Including Discontinued Operation, Current	$ 0	$ 694
Current Liabilities
Total current liabilities of discontinued operations	271	1,654
Medical Products and Semiconductor Business Unit [Member]
Current Assets
Accounts Receivable - trade, net	0	307
Inventories, net	0	337
Prepaid expense and other current assets	0	50
Assets of Disposal Group, Including Discontinued Operation, Current	0	694
Net property and equipment	0	1,927
Intangibles & other assets, net	0	66
Total Assets of discontinued operations and assets held for sale	0	2,687
Current Liabilities
Accounts payable	0	1,206
Accrued liabilities	271	253
Disposal Group, Including Discontinued Operation, Deferred Revenue	0	195
Total current liabilities of discontinued operations	271	1,654
Other long-term liabilities	0	215
Total liabilities of discontinued operations	$ 271	$ 1,869