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Inventories (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Inventories details [Abstract]    
Raw materials $ 7,645 $ 8,435
Work in process 3,873 2,862
Finished goods 6,591 4,651
Packaging materials 3,481 1,981
Promotional merchandise 817 661
Brewpub food, beverages and supplies 597 552
Total inventories $ 23,004 $ 19,142