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Revenue Recognition - Schedule of Revenue and Percentage of Revenue (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Revenue $ 4,832 $ 5,761
Buffalo Wild Wings [Member]    
Revenue $ 1,936 $ 2,798
Percent of total revenue 40.00% 49.00%