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Document And Entity Information (USD $)
 12 Months Ended
Dec. 31, 2013
Mar. 28, 2014
Jun. 30, 2013
Document And Entity Information [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2013    
Document Fiscal Year Focus 2013    
Document Fiscal Period Focus FY    
Entity Registrant Name LIFEWAY FOODS INC    
Entity Central Index Key 0000814586    
Current Fiscal Year End Date --12-31    
Entity Filer Category Accelerated Filer    
Entity Common Stock, Shares Outstanding   16,346,017  
Entity Public Float     $ 80,688,689
Entity Well-known Seasoned Issuer No    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No