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Inventories (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Inventories
Consumer products - finished goods	$ 7,242	$ 4,877
Consumer Products - work in process	1,971	4,659
Bulk ingredients	1,194	1,364
Reference standards	624	635
Inventories	$ 11,031	$ 11,535

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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