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Inventories (Details) - USD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Inventories details [Abstract]    
Raw materials $ 3,247 $ 4,290
Work in process 2,616 1,960
Finished goods 6,120 5,009
Packaging materials 1,322 956
Promotional merchandise 714 1,161
Brewpub food, beverages and supplies 503 468
Total inventories $ 14,522 $ 13,844