Document and Entity Information	3 Months Ended
	Nov. 30, 2012	Dec. 29, 2012
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, 2012
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 Common Stock, Shares Outstanding		14,483,010
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2013