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Document And Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2014
Jul. 28, 2015
Jun. 30, 2015
Document And Entity Information      
Entity Registrant Name LIFEWAY FOODS INC    
Entity Central Index Key 0000814586    
Document Type 10-K    
Document Period End Date Dec. 31, 2014    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Is Entity a Well-known Seasoned Issuer No    
Is Entity a Voluntary Filer No    
Is Entity's Reporting Status Current Yes    
Entity Filer Category Accelerated Filer    
Entity Common Stock, Shares Outstanding   16,346,017  
Entity Public Float     $ 91,167,353
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2014