Document and Entity Information - shares	6 Months Ended
	Aug. 31, 2016	Oct. 14, 2016
Document And Entity Information
Entity Registrant Name	SONO TEK CORP
Entity Central Index Key	0000806172
Document Type	10-Q
Document Period End Date	Aug. 31, 2016
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		14,961,076
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2017