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Document and Entity Information (USD $)
6 Months Ended
Sep. 30, 2011
Nov. 14, 2011
Sep. 30, 2010
Document and Entity Information [Abstract]   
Entity Registrant NameEMERSON RADIO CORP  
Entity Central Index Key0000032621  
Document Type10-Q  
Document Period End DateSep. 30, 2011
Amendment Flagfalse  
Document Fiscal Year Focus2011  
Document Fiscal Period FocusQ2  
Current Fiscal Year End Date--04-02  
Entity Well-known Seasoned IssuerNo  
Entity Voluntary FilersNo  
Entity Current Reporting StatusYes  
Entity Filer CategorySmaller Reporting Company  
Entity Public Float  $ 26,744,733
Entity Common Stock, Shares Outstanding 27,129,832