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13.Segments, Products and Customers (Tables)
12 Months Ended
Dec. 31, 2016
Segment Reporting [Abstract]  
Schedule of sales of products by category
   2016   2015 
         
Drinkable Kefir other than ProBugs  $105,983   $100,812 
Lifeway cheese products   10,258    9,725 
ProBugs Kefir products   6,383    6,775 
Frozen Kefir   1,255    1,275 
Net sales  $123,879   $118,587