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COMMON STOCK AND STOCK INCENTIVE PLANS (Details 5) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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COMMON STOCK AND STOCK INCENTIVE PLANS        
Number of executives involuntarily terminated as part of the 2008 and 2009 Restructuring Plans 0 0 0 8
Stock-based compensation expense recognized $ 1,698 $ 2,982 $ 3,029  
Stock-based compensation capitalized within inventory 0 0 0  
Cost of net sales
        
COMMON STOCK AND STOCK INCENTIVE PLANS        
Stock-based compensation expense recognized 7 107 99  
Selling, general and administrative
        
COMMON STOCK AND STOCK INCENTIVE PLANS        
Stock-based compensation expense recognized 1,597 2,399 2,602  
Research and development
        
COMMON STOCK AND STOCK INCENTIVE PLANS        
Stock-based compensation expense recognized $ 94 $ 476 $ 328