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12. Segments, Products and Customers (Tables)
6 Months Ended
Jun. 30, 2017
Segment Reporting [Abstract]  
Schedule of sales of products by category
    Six months ended
June 30,
    Three months ended
June 30,
 
    2017     2016     2017     2016  
Drinkable Kefir (a)   $ 55,248     $ 54,602     $ 27,488     $ 26,535  
Lifeway cheese products     5,189       5,099       2,591       2,462  
Pro Bugs Kefir products     2,767       3,357       1,315       1,716  
Frozen Kefir     646       643       339       418  
Net Sales   $ 63,850     $ 63,701     $ 31,733     $ 31,131