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CREDIT FACILITIES (Details Textual) (USD $)
 6 Months Ended 3 Months Ended 12 Months Ended 6 Months Ended 1 Months Ended
Mar. 27, 2015
Sep. 30, 2014
Sep. 30, 2014
Mar. 28, 2014
Jan. 31, 2013
Dec. 31, 2009
Jan. 18, 2013
Dec. 16, 2009
Nov. 08, 2013
Maximum borrowing capacity $ 20,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity                
Average borrowing capacity 11,200,000iec_LineOfCreditFacilityAverageBorrowingCapacity     10,100,000iec_LineOfCreditFacilityAverageBorrowingCapacity          
Maximum legal and accounting fees associated with the restatement 1,100,000iec_MaximumLegalAndAccountingFeesAssociatedWithRestatement                
Basis spread on variable rate             1.32%us-gaap_DerivativeFixedInterestRate    
Notional amount             14,000,000us-gaap_DerivativeAssetNotionalAmount    
Long-term debt 36,535,000us-gaap_LongTermDebt 31,387,000us-gaap_LongTermDebt 31,387,000us-gaap_LongTermDebt            
Amendment 2014 [Member]                  
Net earnings before interest,taxes, depreciation and amortization   1,250,000iec_NetEarningsBeforeInterestTaxesDepreciationAndAmortization
/ iec_AgreementAxis
= iec_AmendmentTwoThousandAndFourteenMember		 1,500,000iec_NetEarningsBeforeInterestTaxesDepreciationAndAmortization
/ iec_AgreementAxis
= iec_AmendmentTwoThousandAndFourteenMember		            
Second Amendment [Member]                  
Increase in interest rate       0.25%iec_LineOfCreditFacilityIncreaseInInterestRate
/ iec_CreditAgreementAxis
= iec_SecondAmendmentMember		          
Term Loan A [Member] | Amendment 2014 [Member]                  
Interest rate, stated percentage 3.25%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ iec_AgreementAxis
= iec_AmendmentTwoThousandAndFourteenMember
/ us-gaap_ShortTermDebtTypeAxis
= iec_TermLoanMember		                
Debt Instrument, Unused Commitment Fee, Percentage 0.50%iec_DebtInstrumentUnusedCommitmentFeePercentage
/ iec_AgreementAxis
= iec_AmendmentTwoThousandAndFourteenMember
/ us-gaap_ShortTermDebtTypeAxis
= iec_TermLoanMember		                
Term Loan A [Member] | Credit Agreement 2013 [Member]                  
Long-term line of credit             10,000,000us-gaap_LineOfCredit
/ iec_CreditAgreementAxis
= iec_CreditAgreement2013Member
/ us-gaap_ShortTermDebtTypeAxis
= iec_TermLoanMember		    
Repayment monthly installments         108 monthly installments        
Line of credit facility, periodic payment, principal         93,000us-gaap_LineOfCreditFacilityPeriodicPaymentPrincipal
/ iec_CreditAgreementAxis
= iec_CreditAgreement2013Member
/ us-gaap_ShortTermDebtTypeAxis
= iec_TermLoanMember		        
Term Loan B [Member]                  
Increase in interest rate 4.57%iec_LineOfCreditFacilityIncreaseInInterestRate
/ us-gaap_ShortTermDebtTypeAxis
= iec_TermLoanBMember		                
Basis spread on variable rate 2.50%us-gaap_DerivativeFixedInterestRate
/ us-gaap_ShortTermDebtTypeAxis
= iec_TermLoanBMember		                
Interest rate, effective percentage 3.82%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_ShortTermDebtTypeAxis
= iec_TermLoanBMember		                
Term Loan B [Member] | Credit Agreement 2013 [Member]                  
Long-term line of credit             14,000,000us-gaap_LineOfCredit
/ iec_CreditAgreementAxis
= iec_CreditAgreement2013Member
/ us-gaap_ShortTermDebtTypeAxis
= iec_TermLoanBMember		    
Repayment monthly installments         120 monthly installments        
Line of credit facility, periodic payment, principal         117,000us-gaap_LineOfCreditFacilityPeriodicPaymentPrincipal
/ iec_CreditAgreementAxis
= iec_CreditAgreement2013Member
/ us-gaap_ShortTermDebtTypeAxis
= iec_TermLoanBMember		        
Term Loan B [Member] | Amendment 2014 [Member]                  
Interest rate, effective percentage 3.25%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ iec_CreditAgreementAxis
= iec_Amendment2014Member
/ us-gaap_ShortTermDebtTypeAxis
= iec_TermLoanBMember		                
Albuquerque [Member]                  
Liabilities assumed 100,000iec_BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed1
/ dei_LegalEntityAxis
= iec_AlbuquerqueMember		                
Albuquerque Mortgage Loan [Member] | Amendment 2014 [Member]                  
Interest rate, stated percentage 4.50%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ iec_AgreementAxis
= iec_AmendmentTwoThousandAndFourteenMember
/ us-gaap_CreditFacilityAxis
= iec_AlbuquerqueMortgageLoanMember		                
Albuquerque Mortgage Loan [Member] | Credit Agreement 2013 [Member]                  
Long-term line of credit               4,000,000us-gaap_LineOfCredit
/ iec_CreditAgreementAxis
= iec_CreditAgreement2013Member
/ us-gaap_CreditFacilityAxis
= iec_AlbuquerqueMortgageLoanMember		  
Repayment monthly installments           monthly installments      
Debt instrument, periodic payment, principal           22,000us-gaap_DebtInstrumentPeriodicPaymentPrincipal
/ iec_CreditAgreementAxis
= iec_CreditAgreement2013Member
/ us-gaap_CreditFacilityAxis
= iec_AlbuquerqueMortgageLoanMember		      
Revolving Credit Facility [Member]                  
Maturity date Jan. 18, 2016                
Current borrowing capacity 20,000,000.0us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember		                
Interest rate, stated percentage 4.44%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember		 [1] 4.44%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember		 [1] 4.44%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember		 [1]            
Long-term debt 14,032,000us-gaap_LongTermDebt
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember		 7,431,000us-gaap_LongTermDebt
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember		 7,431,000us-gaap_LongTermDebt
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember		            
Revolving Credit Facility [Member] | Credit Agreement 2013 [Member]                  
Average borrowing capacity 20,000,000iec_LineOfCreditFacilityAverageBorrowingCapacity
/ iec_CreditAgreementAxis
= iec_CreditAgreement2013Member
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember		                
Commitment fee amount       25,400us-gaap_LineOfCreditFacilityCommitmentFeeAmount
/ iec_CreditAgreementAxis
= iec_CreditAgreement2013Member
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember		          
Revolving Credit Facility [Member] | Amendment 2014 [Member]                  
Interest rate, stated percentage 4.25%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ iec_CreditAgreementAxis
= iec_Amendment2014Member
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember		                
Revolving Credit Facility [Member] | Minimum [Member]                  
Unused capacity, commitment fee percentage 0.125%us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember		                
Revolving Credit Facility [Member] | Maximum [Member]                  
Unused capacity, commitment fee percentage 0.50%us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember		                
Celmet Term Loan [Member] | Third Amendment [Member]                  
Face amount                 $ 1,300,000us-gaap_DebtInstrumentFaceAmount
/ iec_AgreementAxis
= iec_ThirdAmendmentMember
/ us-gaap_CreditFacilityAxis
= iec_CelmetTermLoanMember
[1] Rates noted are before impact of interest rate swap.