Description of Business (Details) (USD $)
In Thousands, unless otherwise specified
0 Months Ended 3 Months Ended 6 Months Ended 0 Months Ended
Aug. 30, 2013
Jun. 29, 2013
Jun. 30, 2013
factories
countries
Jun. 30, 2012
Jun. 30, 2013
factories
countries
Jun. 30, 2012
Dec. 31, 2012
Dec. 31, 2011
Mar. 09, 2012
Semiconductor Business Unit [Member]
Dec. 14, 2009
Medical Products Business Unit [Member]
Number of Factories Which the Company's Equipment Has Been Installed     200   200          
Number of Countries Which the Company's equipment has been installed     50   50          
Disposal Date                 Mar. 09, 2012 Dec. 14, 2009
Export Sales, Percentage     37.00% 65.00% 34.00% 65.00%        
Operating Income (Loss) from continuing operations     $ (1,768) $ (1,787) $ (4,370) $ (3,396)        
Net cash provided by operating activities of discontinued operations         (150) (1,724)        
Net Cash Provided by (Used in) Operating Activities         (1,913) (4,283)        
Cash and Cash Equivalents     $ 1,735 $ 7,199 $ 1,735 $ 7,199 $ 3,030 $ 4,758    
Line of Credit Facility, Expiration Date Aug. 30, 2013 Jun. 29, 2013