XML 28 R1.htm IDEA: XBRL DOCUMENT v3.19.1
Document and Entity Information - USD ($)
 12 Months Ended
Feb. 28, 2019
May 28, 2019
Aug. 31, 2018
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, 2019    
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 Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Public Float     $ 34,185,178
Entity Common Stock, Shares Outstanding   15,197,563  
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2019