v3.26.3
Document and Entity Information - $ / shares
3 Months Ended
Aug. 31, 2026
Oct. 01, 2026
Document Type 10-Q  
Document Quarterly Report true  
Document Fiscal Period Focus Q1  
Document Period End Date Aug. 31, 2026  
Document Transition Report false  
Entity File Number 0-3498  
Entity Registrant Name Taylor Devices, Inc.  
Entity Incorporation, State or Country Code NY  
Entity Tax Identification Number 16-0797789  
Entity Address, Address Line One 90 Taylor Drive  
Entity Address, City or Town North Tonawanda  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 14120  
City Area Code 716  
Local Phone Number 694-0800  
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 Central Index Key 0000096536  
Current Fiscal Year End Date --05-31  
Amendment Flag false  
Document Fiscal Year Focus 2027  
Common Stock    
Title of 12(b) Security Common Stock, $<span style="-sec-ix-hidden:fact2">.025</span> par value per share  
Common Stock, Par or Stated Value Per Share $ 0.025  
Trading Symbol TAYD  
Security Exchange Name NASDAQ  
Entity Common Stock, Shares Outstanding   3,229,865
Rights    
Title of 12(b) Security Preferred Stock Purchase Rights  
Security Exchange Name NASDAQ