Number Of Shares Held For Beneficial Interest Of Trust.

No definition available.

Name:	IHT_NumberOfSharesHeldForBeneficialInterestOfTrust
Namespace Prefix:	IHT_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage Of Outstanding Partnership Units.

+ References

No definition available.

+ Details

Name:	IHT_PercentageOfOutstandingPartnershipUnits
Namespace Prefix:	IHT_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage Of Shares Issued And Outstanding Of Beneficial Interest.

+ References

No definition available.

+ Details

Name:	IHT_PercentageOfSharesIssuedAndOutstandingOfBeneficialInterest
Namespace Prefix:	IHT_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

+ Details

Name:	us-gaap_DebtInstrumentMaturityDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(a))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 850

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(k)(1))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

Name:	us-gaap_DueToRelatedPartiesCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The number of limited partner units outstanding.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 272

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 5

-Subparagraph (SAB TOPIC 4.F)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 4

-Section F

+ Details

Name:	us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
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

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	dei_LegalEntityAxis=IHT_MrWirthAndAffiliatesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=IHT_RareEarthFinancialLLCMember
Namespace Prefix:
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Period Type:

Related Party Transactions (Details Narrative) (USD $)	0 Months Ended
Related Party Transactions (Details Narrative) (USD $)	Dec. 01, 2014	Jan. 01, 2012	Apr. 30, 2015	Jan. 31, 2015	Oct. 27, 2014	Jul. 01, 2014
Line of credit maximum borrowing capacity			$ 1,000,000
Line of credit related party balance			858,494us-gaap_DueToRelatedPartiesCurrent	541,710us-gaap_DueToRelatedPartiesCurrent
Mr. Wirth and Affiliates [Member]
Number of shares held for beneficial interest of trust			6,077,374	6,053,276
Percentage of shares issued and outstanding of beneficial interest			73.47%	73.20%
Mr. Wirth and Affiliates [Member] \| Class B Limited Partnership Units [Member]
Number of partnership unit held for affiliates			3,407,938	3,407,938
Percentage of outstanding Partnership units			25.80%	25.80%
Rare Earth Financial, LLC [Member]
Debt face value	1,000,000	1,000,000
Line of credit related party bears interest rate	7.00%	7.00%
Line of credit related party maturity date	Dec. 31, 2017	Jan. 31, 2015
Line of credit maximum borrowing capacity	1,000,000
Rare Earth Financial, LLC [Member] \| Minimum [Member]
Line of credit maximum borrowing capacity					1,400,000	1,000,000
Rare Earth Financial, LLC [Member] \| Maximum [Member]
Line of credit maximum borrowing capacity					$ 2,000,000	$ 1,400,000