COMMITMENTS AND CONTINGENCIES (Details Textual) $ in Thousands	1 Months Ended	3 Months Ended	6 Months Ended
Aug. 31, 2011 USD ($)	Jan. 01, 2016 USD ($) employee	Apr. 01, 2016 employee
Number of former employees receiving Wells Notes related to SEC investigation \| employee		2	2
Insurance recoveries		$ 9,000
Long-term purchase commitment, period	5 years
Maximum [Member]
Early termination fee	$ 365
Minimum [Member]
Early termination fee	$ 0

The amount of early contract termination fees included in liabilities subject to the event the unit's cumulative purchases do not equal or exceed stated minimums.

No definition available.

+ Details

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

- Definition

Number of Former Employees, Wells Notices Received Related to SEC Investigation

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

The amount recovered from insurance. These recoveries reduce costs and losses that are reported as a separate line item under operating expenses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.3)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

+ Details

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- Definition

Period covered by the long-term purchase commitment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Details

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- Details

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