Annual report pursuant to Section 13 and 15(d)

INTANGIBLE ASSETS (Details)

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INTANGIBLE ASSETS (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Intangible assets      
Net amount $ 1,002 $ 1,151  
Product formulations
      
Intangible assets      
Gross carrying amount 1,763 1,763  
Accumulated amortization 761 612  
Net amount 1,002 1,151  
Amortization expense for intangible assets 149 152 118
Estimated amortization expense      
2013 149    
2014 149    
2015 149    
2016 91    
2017 91    
Thereafter 373    
Total $ 1,002    
Minimum | Product formulations
      
Intangible assets      
Estimated useful lives 9 years    
Maximum | Product formulations
      
Intangible assets      
Estimated useful lives 15 years