Line of Credit Facility, Maximum Borrowing Capacity Based on Eligible Inventories

No definition available.

Name:	iec_LineofCreditFacilityMaximumBorrowingCapacityBasedonEligibleInventories
Namespace Prefix:	iec_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line of Credit Facility, Maximum Borrowing Capacity as Percentage of Eligible Receivables

+ References

No definition available.

+ Details

Name:	iec_LineofCreditFacilityMaximumBorrowingCapacityasPercentageofEligibleReceivables
Namespace Prefix:	iec_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

Name:	us-gaap_SubsequentEventLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=iec_CreditAgreement2013Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ShortTermDebtTypeAxis=iec_TermLoanBMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementScenarioAxis=us-gaap_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

SUBSEQUENT EVENTS (Details) - USD ($)	May 05, 2017	Mar. 31, 2017	Sep. 30, 2016
Subsequent Event [Line Items]
Maximum borrowing capacity		$ 16,000,000
Revolving Credit Facility [Member]
Subsequent Event [Line Items]
Maximum borrowing capacity		$ 16,000,000.0	$ 20,000,000
Maximum borrowing capacity as percentage of eligible receivables		85.00%
Maximum borrowing capacity based on eligible inventories		$ 3,750,000.00
Credit Agreement 2013 [Member] \| Revolving Credit Facility [Member] \| Term Loan B [Member] \| Scenario, Forecast [Member]
Subsequent Event [Line Items]
Principal amount	$ 6,000,000
Maximum borrowing capacity	$ 16,000,000
Maximum borrowing capacity as percentage of eligible receivables	85.00%
Maximum borrowing capacity based on eligible inventories	$ 7,000,000