v2.4.0.8
Document And Entity Information
6 Months Ended
Oct. 31, 2015
Dec. 08, 2015
Document and Entity Information [Abstract]    
Entity Registrant Name FREQUENCY ELECTRONICS INC  
Document Type 10-Q  
Current Fiscal Year End Date --04-30  
Entity Common Stock, Shares Outstanding   8,729,682
Amendment Flag false  
Entity Central Index Key 0000039020  
Entity Current Reporting Status Yes  
Entity Voluntary Filers No  
Entity Filer Category Smaller Reporting Company  
Entity Well-known Seasoned Issuer No  
Document Period End Date Oct. 31, 2015  
Document Fiscal Year Focus 2016  
Document Fiscal Period Focus Q2