Options to purchase common stock.

No definition available.

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Namespace Prefix:	iehc_
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Balance Type:	na
Period Type:	duration

- Definition

Percentage of annual bonus.

+ References

No definition available.

+ Details

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Namespace Prefix:	iehc_
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Balance Type:	na
Period Type:	duration

- Definition

Amount of expense for salary and wage arising from service rendered by officer. Excludes allocated cost, labor-related nonsalary expense, and direct and overhead labor cost included in cost of good and service sold.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(4))
-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

+ Details

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

- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of options vested.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- 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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- Details

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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
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- Details

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- Details

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SUBSEQUENT EVENTS (Details) - USD ($)	1 Months Ended	2 Months Ended	3 Months Ended
SUBSEQUENT EVENTS (Details) - USD ($)	Jul. 29, 2019	Aug. 19, 2019	Jun. 28, 2019	Mar. 29, 2019
Subsequent Event [Line Items]
Option granted
Exercise price			$ 6.07	$ 6.05
Subsequent Event [Member] \| Mr. Offerman [Member]
Subsequent Event [Line Items]
Base salary	$ 395,000
Percentage of annual bonus	100.00%
Subsequent Event [Member] \| Mr. Offerman [Member] \| 2011 Equity Incentive Plan [Member]
Subsequent Event [Line Items]
Option granted		225,000
Options to purchase common stock		225,000
Exercise price		$ 20.00
Subsequent Event [Member] \| Mr. Offerman [Member] \| 2011 Equity Incentive Plan [Member] \| Vest immediately [Member]
Subsequent Event [Line Items]
Vested shares		75,000
Subsequent Event [Member] \| Mr. Offerman [Member] \| 2011 Equity Incentive Plan [Member] \| Vest on July 29, 2020 [Member]
Subsequent Event [Line Items]
Vested shares		75,000
Subsequent Event [Member] \| Mr. Offerman [Member] \| 2011 Equity Incentive Plan [Member] \| Vest on July 29, 2021 [Member]
Subsequent Event [Line Items]
Vested shares		75,000