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OCCUPANCY TAX LIABILITY REVERSAL (Details Narrative) - USD ($)	12 Months Ended
	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: