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Segments, Products and Customers (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Net sales $ 29,990 $ 29,599 $ 93,691 $ 89,042
Cream and Drinkable Kefir other than ProBugs [Member]        
Net sales 25,533 25,902 80,135 76,723
ProBugs[Member]        
Net sales 1,606 1,702 4,962 5,999
Lifeway Farmer Cheese [Member]        
Net sales 2,479 1,661 7,579 5,125
Frozen Kefir [Member]        
Net sales $ 372 $ 334 $ 1,015 $ 1,195