Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets (Details)

v2.4.0.8
Intangible Assets (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Dec. 31, 2013
Intangible assets          
Net amount $ 742   $ 742   $ 853
Product formulations
         
Intangible assets          
Gross carrying amount 1,763   1,763   1,763
Accumulated amortization 1,021   1,021   910
Net amount 742   742   853
Amortization expense for intangible assets $ 37 $ 37 $ 111 $ 111  
Product formulations | Minimum
         
Intangible assets          
Estimated useful lives     9 years    
Product formulations | Maximum
         
Intangible assets          
Estimated useful lives     15 years