Cover - shares	9 Months Ended
	Nov. 30, 2022	Jan. 13, 2023
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Nov. 30, 2022
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2023
Current Fiscal Year End Date	--02-28
Entity File Number	000-16035
Entity Registrant Name	SONO TEK CORP
Entity Central Index Key	0000806172
Entity Tax Identification Number	14-1568099
Entity Incorporation, State or Country Code	NY
Entity Address, Address Line One	2012 Rt. 9W
Entity Address, City or Town	Milton
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	12547
City Area Code	(845)
Local Phone Number	795-2020
Title of 12(b) Security	Common Stock, $0.01 par value per share
Trading Symbol	SOTK
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		15,742,074