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Investments (Tables)
6 Months Ended
Jun. 30, 2012
Equity Method Investments and Joint Ventures [Abstract]  
Schedule of Equity Method Investments [Table Text Block]

Condensed financial information of PST is as follows:

 

  Three months ended  Six months ended 
  June 30,  June 30, 
  2011  2011 
Net sales $62,696  $115,934 
Cost of goods sold $36,743  $65,352 
Total income before income taxes $3,968  $7,900 
The Company''s share of income before income taxes $1,984  $3,950