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Stock Options - Schedule of Performance Objective for Applicable Performance Period (Details) - IBC Hotels [Member] | 12 Months Ended
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Jan. 31, 2017 USD ($)
Exercisable Tranche A [Member] |
Performance Period | Jan. 31, 2016
Performance objective | $ 60,000
Exercisable Tranche A and B [Member] |
Performance Period | Jan. 31, 2017
Performance objective | $ 200,000
Exercisable Tranche A, B and C [Member] |
Performance Period | Jan. 31, 2018
Performance objective | $ 400,000

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- Definition Pre Tax Profit. + References No definition available. + Details
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Namespace Prefix: | IHT_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Date the equity-based award expires, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Balance Type: |
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |