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Discontinued Operations - Schedule of Future Payments on Notes (Details)	Jan. 31, 2020 USD ($)
Discontinued Operations and Disposal Groups [Abstract]
2021	$ 91,667
2022	550,000
2023	550,000
2024	550,000
2025	550,000
Thereafter	458,333
Total	2,750,000
Impairment	(825,000)
Total net of impairment	$ 1,925,000

X

- Definition

Future receivables due after year five including discontinued operations.

+ References

No definition available.

+ Details

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- Definition

Future receivables due in five years including discontinued operations.

+ References

No definition available.

+ Details

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X

- Definition

Future receivables due in four years including discontinued operations.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Future receivables due in next twelve months including discontinued operations.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Future receivables due in three years including discontinued operations.

+ References

No definition available.

+ Details

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Namespace Prefix:	IHT_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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- Definition

Future receivables due in two years including discontinued operations.

+ References

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Definition

Future receivables due including discontinued operations.

+ References

No definition available.

+ Details

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Namespace Prefix:	IHT_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Future receivables due including discontinued operations, excluding impairment charges.

+ References

No definition available.

+ Details

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- Definition

Impairment of future receivables due including discontinued operations.

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No definition available.

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Balance Type:	credit
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- References

No definition available.

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