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GOODWILL (Details Textual) (USD $)
3 Months Ended 6 Months Ended 12 Months Ended
Sep. 30, 2013
Dec. 31, 2010
Mar. 27, 2015
Sep. 30, 2010
Goodwill impairment $ 11,800,000us-gaap_GoodwillImpairmentLoss      
SCB [Member]        
Goodwill from acquisitions   13,700,000us-gaap_GoodwillAcquiredDuringPeriod
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= iec_ScbMember
   
Goodwill impairment     0us-gaap_GoodwillImpairmentLoss
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= iec_ScbMember
 
Celmet [Member]        
Goodwill from acquisitions       $ 100,000us-gaap_GoodwillAcquiredDuringPeriod
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= iec_CelmetMember