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v3.23.1

OCCUPANCY TAX LIABILITY REVERSAL (Details Narrative) - USD ($) | 12 Months Ended
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Jan. 31, 2023 | Jan. 31, 2022
Sales and occupancy taxes | $ 798,000 |
Sales and occupancy tax expense |  | $ 798,000
Minimum [Member] |  |
Sales and occupancy taxes | $ 0 |

X
- Definition Increase (decrease) in sales and occupancy taxes. + References No definition available. + Details
Name: | IHT_IncreaseDecreaseInSalesAndOccupancyTaxes
Namespace Prefix: | IHT_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Sales and occupancy tax expense. + References No definition available. + Details
Name: | IHT_SalesAndOccupancyTaxExpense
Namespace Prefix: | IHT_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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