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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - USD ($)
3 Months Ended 12 Months Ended
Dec. 16, 2019
Apr. 30, 2023
Apr. 30, 2022
Jan. 31, 2023
Allowance for doubtful accounts   $ 0   $ 0
Warrants, exercise   15,000   60,000
Weighted average limited partnership units outstanding, diluted   3,174,041    
Weighted average incremental shares resulting from unit conversion   3,174,041 3,174,041  
Advertising expense   $ 82,000 $ 109,000  
Debt instrument, interest rate, stated percentage   7.00%    
Investments   $ 603,750   $ 588,750
Interest income, reinvested   $ 15,000   $ 60,000
Notes Receivable [Member]        
Investments $ 700,000      
UniGen Power Inc. [Member]        
Ownership percentage       25.00%
Common Class A [Member] | UniGen Power Inc. [Member]        
Ownership percentage 25.00%      
Debenture Warrants [Member]        
Exercise price   $ 1.00    
Additional Warrants [Member]        
Exercise price   $ 2.25    
UniGen Power Inc. [Member]        
Warrants, exercise       161,250
Debt instrument, interest rate, stated percentage   6.00%    
Investments 3,000,000 15,000   60,000
Line of credit $ 500,000      
Investments 1,000,000      
Stock Issued During Period, Value, Other       $ 255,000
Stock Issued During Period, Shares, Other       161,250
Additional warrants exercises amount       $ 1,300,000
UniGen Power Inc. [Member] | Warrant [Member]        
Investments $ 300,000      
UniGen Power Inc. [Member] | Options Held [Member]        
Debt convertible, shares issued 500,000      
Debt instrument, conversion rate $ 1      
UniGen Power Inc. [Member] | Debenture Warrants [Member] | Common Class A [Member]        
Debt instrument periodic payment of interest $ 15,000      
Investments 1,000,000      
Exercise price $ 1.00      
UniGen Power Inc. [Member] | Additional Warrants [Member] | Common Class A [Member]        
Investments 500,000      
Exercise price $ 2.25      
Convertible Debenture Purchase Agreement [Member] | UniGen Power Inc. [Member]        
Convertible debt $ 1,000,000      
Debt instrument, interest rate, stated percentage 6.00%      
Investments 1,000,000      
Convertible Debenture Purchase Agreement [Member] | UniGen Power Inc. [Member] | Common Class A [Member]        
Debt convertible, shares issued 1,000,000      
Debt instrument, conversion rate $ 1.00      
Board Of Trustees [Member]        
Warrants, exercise   6,000    
IHT [Member]        
Investment owned balance, shares   510,000    
Investment cost   $ 603,750    
James wirth and Marc Berg [Member] | UniGen Power Inc. [Member]        
Ownership percentage   33.00%    
90 days [Member]        
Percentage of allowance for doubtful accounts.   50.00%    
120 days [Member]        
Percentage of allowance for doubtful accounts.   100.00%