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Summary of Significant Accounting Policies (Details Narrative) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended
Dec. 16, 2019
Mar. 31, 2021
Apr. 30, 2021
Apr. 30, 2020
Jan. 31, 2022
Jan. 31, 2020
Jun. 18, 2021
May 13, 2021
Feb. 28, 2021
Jan. 31, 2021
Aug. 31, 2020
Jan. 31, 2019
Allowance for doubtful accounts     $ 0             $ 0    
Corporate tax returns     52,000               $ 175,000 $ 294,000
Expected future corporate tax returns     $ 120,000                  
Proceeds from income tax   $ 68,000                    
Aggregate weighted average shares of beneficial for units of partnership     3,185,746                  
Weighted average incremental shares resulting from unit conversion     3,185,746 3,185,746                
Advertising expense     $ 45,000 $ 60,000                
Debt instrument interest rate     7.00%                  
Investments $ 700,000   $ 60,000     $ 60,000            
Debenture Warrants [Member]                        
Warrants exercise price     $ 1.00                  
Additional Warrants [Member]                        
Warrants exercise price     $ 2.25                  
UniGen Power Inc. [Member]                        
Debt instrument interest rate     6.00%                  
Debt instrument, conversion price per share $ 1                      
Number of warrants to purchase common stock 3,000,000                    
Line of credit $ 500,000                    
Shares issued upon conversion 500,000                      
Investments $ 1,000,000               $ 2,000,000      
Shares issued upon exercise of warrant     60,000                  
Number of common stock shares issued during the period     60,000                  
UniGen Power Inc. [Member] | Fair Value of Warrants [Member]                        
Investments $ 300,000                      
UniGen Power Inc. [Member] | Warrant [Member]                        
Number of warrants to purchase common stock                 300,000      
Warrants exercise price                 $ 2.25      
UniGen Power Inc. [Member] | Debenture Warrants [Member] | Class A Common Stock [Member]                        
Number of warrants to purchase common stock 1,000,000                      
Warrants exercise price $ 1.00                      
UniGen Power Inc. [Member] | Additional Warrants [Member]                        
Line of credit, rate           100.00%            
Shares issued upon conversion           1,000,000            
UniGen Power Inc. [Member] | Additional Warrants [Member] | Class A Common Stock [Member]                        
Number of warrants to purchase common stock 200,000                      
Warrants exercise price $ 2.25                      
Line of credit           $ 500,000            
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                      
Subsequent Event [Member] | UniGen Power Inc. [Member] | Class A Common Stock [Member]                        
Number of warrants to purchase common stock             300,000          
Warrants exercise price             $ 2.25          
Equity method ownership, percentage               25.00%        
Three Independent Members [Member]                        
Stock issued during period share-based compensation, shares     16,000                  
Independent Trustees One [Member]                        
Stock issued during period share-based compensation, shares     16,000                  
Independent Trustees Two [Member]                        
Stock issued during period share-based compensation, shares     16,000                  
Independent Trustees Three [Member]                        
Stock issued during period share-based compensation, shares     16,000                  
90 days [Member]                        
Percentage of allowance for doubtful accounts     50.00%                  
120 days [Member]                        
Percentage of allowance for doubtful accounts     100.00%                  
Performance Shares [Member] | Independent Trustees One [Member]                        
Stock issued during period share-based compensation, shares     10,000                  
Performance Shares [Member] | Independent Trustees Two [Member]                        
Stock issued during period share-based compensation, shares     10,000                  
Performance Shares [Member] | Independent Trustees Three [Member]                        
Stock issued during period share-based compensation, shares     10,000                  
Restricted Stock [Member] | Trust Three Accountants [Member] | Subsequent Event [Member]                        
Stock issued during period share-based compensation, shares         3,000              
Restricted Stock [Member] | Three Employees [Member] | Subsequent Event [Member]                        
Stock issued during period share-based compensation, shares         2,000              
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