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TAYLOR DEVICES, INC. (Tables)
3 Months Ended
Feb. 28, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Inventory
       
   February 28, 2022  May 31, 2021
Raw materials  $497,309   $503,344 
Work-in-process   5,200,533    5,076,377 
Finished goods   334,324    355,875 
Gross inventory   6,032,166    5,935,596 
Less allowance for obsolescence   100,000    100,000 
Net inventory  $5,932,166   $5,835,596