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3. Inventories, net (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Inventory Disclosure [Abstract]    
Ingredients $ 2,009 $ 1,942
Packaging 2,458 2,230
Finished goods 2,416 2,220
Total inventories, net $ 6,883 $ 6,392