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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount of noncash expense for share-based payment arrangement.

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Summary of Significant Accounting Policies (Details Narrative) - USD ($)				3 Months Ended		9 Months Ended
	Mar. 16, 2021	Jan. 31, 2021	Dec. 16, 2019	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2020	Oct. 31, 2019	Aug. 31, 2020	Feb. 03, 2020	Jan. 31, 2020
Corporate tax returns				$ 294,000		$ 294,000		$ 175,000
Expected future corporate tax returns				120,000		120,000
Stock-based compensation						$ 21,600	$ 24,300
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 for continuing operation				$ 39,000	$ 59,000	$ 154,000	$ 233,000
Debt instrument interest rate				7.00%		7.00%
Investments				$ 1,030,000		$ 1,030,000				$ 600,000
Accrued interest income				$ 17,500	$ 62,225	$ 81,852	$ 65,752
Debenture Warrants [Member]
Warrants exercise price				$ 1.00		$ 1.00
Additional Warrants [Member]
Warrants exercise price				$ 2.25		$ 2.25
UniGen Power Inc. [Member]
Debt instrument interest rate				6.00%		6.00%
Investments				$ 1,030,000		$ 1,030,000
Notes receivable				$ 424,000		424,000
Fair value of warrants						576,000
Accrued interest income						$ 30,000
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 interest rate			6.00%
Debt instrument, conversion price per share			$ 1.00
Convertible Debenture Purchase Agreement [Member] \| UniGen Power Inc. [Member] \| December 16, 2019 [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 syndication, IHT will be granted 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