SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - USD ($)		3 Months Ended		12 Months Ended
	Dec. 16, 2019	Apr. 30, 2024	Apr. 30, 2023	Jan. 31, 2024
Property, Plant and Equipment [Line Items]
Allowance for doubtful accounts		$ 0		$ 0
Warrants, exercise		35,000		45,000
Weighted average limited partnership units outstanding, diluted		3,174,041
Weighted average incremental shares resulting from unit conversion		3,185,793	3,185,793
Advertising expense		$ 79,000	$ 82,000
Investments		668,750		$ 633,750
Interest income, reinvested		$ 35,000		$ 45,000
Notes Receivable [Member]
Property, Plant and Equipment [Line Items]
Investments	$ 700,000
UniGen Power Inc. [Member]
Property, Plant and Equipment [Line Items]
Ownership percentage		20.00%
Debenture Warrants [Member]
Property, Plant and Equipment [Line Items]
Exercise price		$ 1.00
Additional Warrants [Member]
Property, Plant and Equipment [Line Items]
Exercise price		$ 2.25
Common Class A [Member] | UniGen Power Inc. [Member]
Property, Plant and Equipment [Line Items]
Ownership percentage	20.00%
UniGen Power Inc. [Member]
Property, Plant and Equipment [Line Items]
Debt instrument, interest rate, stated percentage		6.00%
Investments	2,500,000	35,000		45,000
Line of credit	$ 500,000
Investments	1,000,000
UniGen Power Inc. [Member] | Warrant [Member]
Property, Plant and Equipment [Line Items]
Investments	$ 300,000
UniGen Power Inc. [Member] | Options Held [Member]
Property, Plant and Equipment [Line Items]
Debt convertible, shares issued	500,000
Debt instrument, conversion rate	$ 1
UniGen Power Inc. [Member] | Common Class A [Member] | Debenture Warrants [Member]
Property, Plant and Equipment [Line Items]
Investments	1,000,000
Exercise price	$ 1.00
UniGen Power Inc. [Member] | Common Class A [Member] | Additional Warrants [Member]
Property, Plant and Equipment [Line Items]
Investments	500,000
Exercise price	$ 2.25
Convertible Debenture Purchase Agreement [Member] | UniGen Power Inc. [Member]
Property, Plant and Equipment [Line Items]
Convertible debt	$ 1,000,000
Debt instrument, interest rate, stated percentage	6.00%
Debt instrument periodic payment of interest	$ 15,000
Investments	1,000,000
Convertible Debenture Purchase Agreement [Member] | UniGen Power Inc. [Member] | Common Class A [Member]
Property, Plant and Equipment [Line Items]
Debt convertible, shares issued	1,000,000
Debt instrument, conversion rate	$ 1.00
Board Of Trustees [Member]
Property, Plant and Equipment [Line Items]
Warrants, exercise		6,000
IHT [Member]
Property, Plant and Equipment [Line Items]
Investment owned balance, shares		575,000
Investment cost		$ 668,750
James wirth and Marc Berg [Member] | UniGen Power Inc. [Member]
Property, Plant and Equipment [Line Items]
Ownership percentage		28.00%
90 days [Member]
Property, Plant and Equipment [Line Items]
Percentage of allowance for doubtful accounts.		50.00%
120 days [Member]
Property, Plant and Equipment [Line Items]
Percentage of allowance for doubtful accounts.		100.00%
Building and Improvements [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life		40 years
Furniture, Fixtures and Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life		10 years
Furniture, Fixtures and Equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life		3 years