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Inventories
12 Months Ended
Dec. 31, 2011
Inventories [Abstract]  
Inventories [Text Block]

Note 8 Inventories

Total inventories comprise:

    December 31, 
    2011  2010 
  Raw materials and supplies$41,771 $31,909 
  Work in process and finished goods 32,987  28,932 
   $74,758 $60,841