Discontinued Operations Business Unit Operations (Details) (USD $) In Thousands, unless otherwise specified	1 Months Ended	12 Months Ended		3 Months Ended	12 Months Ended
	Oct. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2011 Semiconductor Business Unit [Member]	Dec. 31, 2012 Semiconductor Business Unit [Member]	Dec. 31, 2012 Medical Products and Semiconductor Business Unit [Member]	Dec. 31, 2011 Medical Products and Semiconductor Business Unit [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales and revenues						$ 425	$ 2,816
Gross margin						(296)	(1,502)
Loss from discontinued operations before sale of business unit		(580)	(2,769)	2,800	430	(580)	(2,769)
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax		5,449	0			5,449	0
Discontinued Operation, Gain (Loss) from Legal Settlement, before Income Tax	2,300	0	2,286			0	2,286
Income tax provision						(1,948)	(914)
Income (loss) from discontinued operations, net of tax		$ 2,921	$ (1,397)			$ 2,921	$ (1,397)