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Inventories (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Inventories details [Abstract]    
Raw materials $ 7,801 $ 4,290
Work in process 2,803 1,960
Finished goods 4,354 5,009
Packaging materials 960 956
Promotional merchandise 831 1,161
Brewpub food, beverages and supplies 522 468
Total inventories $ 17,271 $ 13,844