XML 13 R1.htm IDEA: XBRL DOCUMENT v3.3.1.900
Document and Entity Information - shares
 9 Months Ended
Nov. 30, 2015
Jan. 07, 2016
Document And Entity Information    
Entity Registrant Name SONO TEK CORP  
Entity Central Index Key 0000806172  
Document Type 10-Q  
Document Period End Date Nov. 30, 2015  
Amendment Flag false  
Current Fiscal Year End Date --02-29  
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 Common Stock, Shares Outstanding   14,946,274
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2016