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Comprehensive Income
6 Months Ended
Jul. 03, 2011
Comprehensive Income [Abstract]  
COMPREHENSIVE INCOME
10.   COMPREHENSIVE INCOME
The components of our total comprehensive income (loss) were:
                                 
    Three-Month Periods Ended     Six-Month Periods Ended  
    July 3,     June 27,     July 3,     June 27,  
    2011     2010     2011     2010  
Net income (loss) attributable to Ultralife
  $ 439     $ 20     $ (5,251 )   $ 307  
Foreign currency translation adjustments
    60       85       287       (249 )
 
                       
Total comprehensive income (loss)
  $ 499     $ 105     $ (4,964 )   $ 58