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Vested shares, value.

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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Exercise price per share or per unit of warrants or rights outstanding.

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The price per share of the conversion feature embedded in the debt instrument.

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Amount of expense (income) related to adjustment to fair value of warrant liability.

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Sum of the carrying amounts as of the balance sheet date of all investments.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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The cash outflow from the repayment of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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Amount of noncash expense for share-based payment arrangement.

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Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted average number of limited partnership units outstanding determined by relating the portion of time within a reporting period that limited partnership units have been outstanding to the total time in that period. Used in the calculation of diluted net income or loss per limited partnership unit.

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Summary of Significant Accounting Policies (Details Narrative) - USD ($)				6 Months Ended
	Feb. 02, 2021	Jan. 31, 2021	Dec. 16, 2019	Jul. 31, 2020	Jul. 31, 2019	Feb. 03, 2020	Jan. 31, 2020
Corporate tax returns				$ 294,000
Stock-based compensation				$ 14,400	$ 16,200
Aggregate weighted average shares of beneficial for units of partnership				3,185,746	3,185,746
Weighted average incremental shares resulting from unit conversion				3,185,746	3,185,746
Advertising expense				$ 56,000	$ 42,000
Investments				1,000,000			$ 600,000
Fair value of warrants				$ 576,000
Debenture Warrants [Member]
Warrants exercise price				$ 1.00
Additional Warrants [Member]
Warrants exercise price				$ 2.25
UniGen Power Inc. [Member]
Investments				$ 1,000,000
Notes receivable				$ 424,000
UniGen Power Inc. [Member] \| Debenture Warrants [Member] \| Class A Common Stock [Member]
Number of warrants to purchase common stock			1,000,000			400,000	600,000
Warrants exercise price			$ 1.00
UniGen Power Inc. [Member] \| Additional Warrants [Member] \| Class A Common Stock [Member]
Number of warrants to purchase common stock			200,000			80,000	120,000
Warrants exercise price			$ 2.25
Convertible Debenture Purchase Agreement [Member] \| UniGen Power Inc. [Member]
Payments on secured convertible debentures			$ 1,000,000
Debt instrument, conversion price per share			$ 1.00
Convertible Debenture Purchase Agreement [Member] \| UniGen Power Inc. [Member] \| December 16, 2020 [Member]
Payments on secured convertible debentures			$ 600,000
Convertible Debenture Purchase Agreement [Member] \| UniGen Power Inc. [Member] \| February 3, 2020 [Member]
Payments on secured convertible debentures			$ 400,000
Subsequent Event [Member] \| UniGen Power Inc. [Member]
Debt instrument, conversion price per share	$ 1.00
Line of credit, funded value	$ 500,000
Number of options convertible into shares	500,000
Subscription of shares and warrants, description	Upon full subscription of the UniGen $2 million subscription grant IHT an additional 300,000 warrants at $2.25 per share. If all notes are converted and all warrants exercised, IHT would hold 3 million UniGen shares out of a total of approximately 12 million UniGen shares resulting in IHT owning approximately 25% of UniGen.
Three Independent Members [Member]
Stock issued during period share-based compensation, shares				6,000
Three Independent Trustees [Member] \| Subsequent Event [Member]
Vested shares		500
Vested shares, value		$ 1,500
90 days [Member]
Percentage of allowance for doubtful accounts				50.00%
120 days [Member]
Percentage of allowance for doubtful accounts				100.00%
Restricted Stock [Member] \| Three Independent Members [Member]
Stock issued during period share-based compensation, shares				18,000
Building and Improvements [Member] \| Maximum [Member]
Property, plant and equipment, useful life				40 years
Furniture, Fixtures and Equipment [Member] \| Maximum [Member]
Property, plant and equipment, useful life				10 years
Furniture, Fixtures and Equipment [Member] \| Minimum [Member]
Property, plant and equipment, useful life				3 years