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SEGMENT REPORTING (Tables)
3 Months Ended
Mar. 31, 2013
Segment Reporting [Abstract]  
Schedule of certain information of these segments
   
Quarter Ended
March 31,
 
   
2013
   
2012
 
Revenues
           
    Surgical products
  $ 14,483     $ 15,494  
    Brachytherapy seed
    5,719       6,320  
    Intersegment eliminations
    (329 )     (231 )
    $ 19,873     $ 21,583  
Earnings (loss) from operations
               
   Surgical products
  $ (335 )   $ 199  
   Brachytherapy seed
    399       1,380  
   Intersegment eliminations
    (47 )     (3 )
    $ 17     $ 1,576  
Capital expenditures
               
   Surgical products
  $ 412     $ 272  
   Brachytherapy seed
    115       57  
    $ 527     $ 329  
Depreciation and amortization
               
   Surgical products
  $ 1,236     $ 1,229  
   Brachytherapy seed
    768       754  
    $ 2,004     $ 1,983
Schedule of supplemental information related to significant assets
 
   
March 31,
2013
   
December 31,
2012
 
Identifiable assets
           
Surgical products
  $ 69,965     $ 70,361  
Brachytherapy seed
    61,577       62,474  
Corporate investment in subsidiaries
    111,439       111,439  
Intersegment eliminations
    (137,854 )     (138,549 )
    $ 105,127     $ 105,725  
Intangible assets
               
Surgical products
  $ 5,958     $ 6,644  
Brachytherapy seed
    4,167       4,376  
    $ 10,125     $ 11,020  
Schedule of information regarding revenue by geographic regions
   
Quarter Ended
March 31,
 
   
2013
   
2012
 
Product sales
           
  United States
  $ 16,012     $ 18,948  
  Europe
    2,203       1,509  
  Other foreign countries
    997       522  
      19,212       20,979  
                 
License and fee income
               
  United States
    268       247  
  Canada
    393       357  
      661       604  
    $ 19,873     $ 21,583