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Business Segmentation and Geographical Distribution (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Sales | $ 12,509 | $ 14,193
Personal Care Ingredients [Member] |  |
Sales | 7,919 | 10,573
Advanced Materials [Member] |  |
Sales | 2,733 | 2,253
Solesence [Member] |  |
Sales | $ 1,857 | $ 1,367

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