SUBSEQUENT EVENTS (Details)	Dec. 27, 2019 USD ($)
Subsequent Event [Line Items]
Maximum borrowing capacity	$ 35,000,000
Revolving Credit Facility [Member]
Subsequent Event [Line Items]
Maximum borrowing capacity	$ 35,000,000
Maximum borrowing capacity as percentage of eligible receivables	85.00%
Maximum borrowing capacity based on eligible inventories	$ 14,000,000.0

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

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://fasb.org/us-gaap/role/ref/legacyRef
-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

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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

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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: