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Cover - USD ($)
 12 Months Ended
Feb. 28, 2025
Feb. 29, 2024
May 23, 2025
Aug. 31, 2024
Cover [Abstract]        
Document Type 10-K      
Amendment Flag false      
Document Annual Report true      
Document Transition Report false      
Document Period End Date Feb. 28, 2025      
Document Fiscal Period Focus FY      
Document Fiscal Year Focus 2025      
Current Fiscal Year End Date --02-28      
Entity File Number 001-40763      
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 Route 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      
Trading Symbol SOTK      
Security Exchange Name NASDAQ      
Entity Well-known Seasoned Issuer No      
Entity Voluntary Filers No      
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 Public Float       $ 61,552,400
Entity Common Stock, Shares Outstanding     15,727,702  
Documents Incorporated by Reference [Text Block] None      
ICFR Auditor Attestation Flag false      
Document Financial Statement Error Correction [Flag] false      
Auditor Firm ID 199 688    
Auditor Name CBIZ CPAs P.C. MARCUM LLP    
Auditor Location Morristown, New Jersey Morristown, New Jersey