Name:	iehc_CashBonusContributionTier1
Namespace Prefix:	iehc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

No definition available.

Name:	iehc_CashBonusContributionTier2
Namespace Prefix:	iehc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	iehc_CashBonusPlanDetailsNarrativeAbstract
Namespace Prefix:	iehc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The threshold amount of pre-tax operating profits for which the company will make contributions to the cash bonus plan.

No definition available.

Name:	iehc_CashBonusThresholdOperatingProfits
Namespace Prefix:	iehc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The amount of payment into the fund established for purposes of making future disbursements to the individual in accordance with the terms and understanding of the deferred compensation arrangement.

No definition available.

Name:	us-gaap_DeferredCompensationArrangementWithIndividualEmployerContribution
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The carrying amount of the liability as of the balance sheet date to an individual under a deferred compensation arrangement. This amount may be the result of periodic accruals made over the period of active employment, or reflect termination benefits resulting contractual terms or a death benefit.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 710

-SubTopic 10

-Section 30

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6409875&loc=d3e20015-108363