Name:	iec_FiniteLivedIntangibleAssetsAmortizationExpenseRollingYearFiveAndThereafter
Namespace Prefix:	iec_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of amortization expense expected to be recognized in the next rolling twelve months following the latest balance sheet presented for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

No definition available.

Name:	us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextRollingTwelveMonths
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of amortization expense expected to be recognized in the fourth rolling twelve months following the latest balance sheet presented for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

No definition available.

Name:	us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRollingYearFour
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of amortization expense expected to be recognized in the third rolling twelve months following the latest balance sheet presented for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

No definition available.

Name:	us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRollingYearThree
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of amortization expense expected to be recognized in the second rolling twelve months following the latest balance sheet presented for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

No definition available.