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Segment and Geographic Information
9 Months Ended
Sep. 30, 2011
Segment and Geographic Information [Abstract] 
SEGMENT AND GEOGRAPHIC INFORMATION
(12) SEGMENT AND GEOGRAPHIC INFORMATION
     DRI conducts its operations in one business segment. Accordingly, the accompanying consolidated statements of operations report the results of operations of that operating segment, and no separate disclosure is provided herein. Net sales information set forth below is based on geographic location of our customers. Long-lived assets set forth below include net property and equipment, net software, and other assets.
                                 
    Three Months Ended September 30,     Nine Months Ended September 30,  
    2011     2010     2011     2010  
    (Unaudited)     (Unaudited)  
    (In thousands)     (In thousands)  
Net sales
                               
North America
  $ 7,152     $ 9,512     $ 22,991     $ 26,458  
Europe
    7,133       4,849       20,226       16,412  
Asia-Pacific
    1,685       2,236       5,654       15,444  
Middle East
    355       110       692       469  
South America
    3,515       3,153       9,668       8,765  
 
                       
 
  $ 19,840     $ 19,860     $ 59,231     $ 67,548  
 
                       
                 
    September 30,        
    2011     December 31,  
    (Unaudited)     2010  
    (In thousands)  
Long-lived assets
               
North America
  $ 4,596     $ 4,105  
Europe
    2,723       2,619  
Asia-Pacific
    691       957  
South America
    511       509  
 
           
 
  $ 8,521     $ 8,190  
 
           
     As of September 30, 2011 and December 31, 2010, approximately $2.7 million and $2.6 million, respectively, of the Company’s long-lived assets were located in Sweden.