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v3.20.2

Leases (Details Narrative) | 12 Months Ended
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Jan. 31, 2020
Minimum [Member] |
Operating lease and financing, remaining lease term | 2 years
Maximum [Member] |
Operating lease and financing, remaining lease term | 38 years

X
- Definition Operating lease and financing, remaining lease term. + References No definition available. + Details
Name: | IHT_LesseeOperatingLeaseAndFinancingLeaseRemainingLeaseTerm
Namespace Prefix: | IHT_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |