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Document and Entity Information (USD $)
12 Months Ended
Feb. 28, 2014
Apr. 29, 2014
Aug. 31, 2013
Document And Entity Information      
Entity Registrant Name SONO TEK CORP    
Entity Central Index Key 0000806172    
Document Type 10-K    
Document Period End Date Feb. 28, 2014    
Amendment Flag false    
Current Fiscal Year End Date --02-28    
Is Entity a Well-known Seasoned Issuer? No    
Is Entity a Voluntary Filer? No    
Is Entity's Reporting Status Current? Yes    
Entity Filer Category Smaller Reporting Company    
Entity Public Float     $ 10,246,005
Entity Common Stock, Shares Outstanding   14,708,518  
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2014