XML 12 R1.htm IDEA: XBRL DOCUMENT v3.10.0.1
Document and Entity Information - USD ($)
12 Months Ended
Mar. 30, 2018
Jun. 28, 2018
Sep. 29, 2017
Document And Entity Information      
Entity Registrant Name IEH CORPORATION    
Entity Central Index Key 0000050292    
Document Type 10-K    
Document Period End Date Mar. 30, 2018    
Amendment Flag false    
Current Fiscal Year End Date --03-30    
Is Entity a Well-known Seasoned Issuer No    
Is Entity a Voluntary Filer No    
Is Entity's Reporting Status Current Yes    
Entity Filer Category Smaller Reporting Company    
Entity Public Float     $ 9,049,446
Entity Common Stock, Shares Outstanding   2,323,468  
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2018