Operating Segments and Related Information Sales and Revenue by Segment (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	0 Months Ended
Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013 Solar [Member]	Mar. 31, 2012 Solar [Member]	Mar. 31, 2013 Biomedical [Member]	Mar. 31, 2012 Biomedical [Member]	Mar. 09, 2012 Semiconductor Business Unit [Member]	Dec. 14, 2009 Medical Products Business Unit [Member]
Segment Reporting Information [Line Items]
Disposal Date							Mar. 09, 2012	Dec. 14, 2009
Revenues	$ 3,238	$ 7,475	$ 1,446	$ 5,853	$ 1,792	$ 1,622
Operating Income (Loss) from continuing operations	(2,602)	(1,609)	(2,792)	(1,544)	190	(65)
Loss from continuing operations	$ (2,628)	$ 354

Amount of income (loss) from continuing operations attributable to the parent. Also defined as revenue less expenses and taxes from ongoing operations before extraordinary items but after deduction of those portions of income or loss from continuing operations that are allocable to noncontrolling interests.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

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Reference 7: http://www.xbrl.org/2003/role/presentationRef

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+ Details