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Business Segments (Details 2) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Analytical Reference Standards and Services Segment [Member]    
Total Assets $ 928 $ 918
Consumer Products Segment [Member]    
Total Assets 12,956 12,137
Ingredients Segment [Member]    
Total Assets 2,036 2,135
Corporate and Other Segment [Member]    
Total Assets 21,495 25,057
Total [Member]    
Total Assets $ 37,415 $ 40,247