XML 13 R1.htm IDEA: XBRL DOCUMENT v3.10.0.1
Document and Entity Information - USD ($)
 6 Months Ended
Nov. 30, 2018
Jan. 04, 2019
Document And Entity Information    
Entity Registrant Name TAYLOR DEVICES INC  
Entity Central Index Key 0000096536  
Document Type 10-Q  
Document Period End Date Nov. 30, 2018  
Amendment Flag false  
Current Fiscal Year End Date --05-31  
Is Entity's Reporting Status Current? Yes  
Is Entity Emerging Growth Company? false  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Public Float   $ 41,500,000
Entity Common Stock, Shares Outstanding   3,467,923
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q2