XML 49 R34.htm IDEA: XBRL DOCUMENT v2.4.0.6
Reconciliation of Segment Identifiable Assets to Consolidated Assets (Parenthetical) (Detail) (USD $)
In Thousands, unless otherwise specified
Oct. 31, 2012
Apr. 30, 2012
Segment Reporting, Asset Reconciling Item [Line Items]    
Assets $ 110,718 $ 106,227
Frequency Electronics Inc New York China
   
Segment Reporting, Asset Reconciling Item [Line Items]    
Assets $ 3,000 $ 3,000