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INVENTORIES (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
INVENTORIES    
Raw materials $ 35,340 $ 34,881
Packaging materials 2,878 2,902
Work-in-progress 646 361
Finished goods 20,835 16,750
Inventory, Gross, Total 59,699 54,894
Reserve for excess/obsolete inventories (6,797) (6,731)
Inventories, net $ 52,902 $ 48,163