XML 75 R65.htm IDEA: XBRL DOCUMENT v3.22.0.1
Equity Investments (Details Narrative) - USD ($)
3 Months Ended 6 Months Ended
Feb. 10, 2022
Aug. 10, 2021
Feb. 02, 2021
Jan. 31, 2022
Jan. 31, 2021
Jan. 31, 2022
Jan. 31, 2021
Payments to acquire equity method investments           $ 1,051,000
Equity Method Investment, Difference Between Carrying Amount and Underlying Equity   $ 1,000,000.0 $ 3,400,000        
Equity Method Investee [Member]              
Payments to acquire equity method investments       $ 1,051,000
Equity Method Investee [Member] | Subsequent Event [Member]              
Receivable with imputed interest, face amount $ 1,000,000.0            
Receivable with imputed interest, effective yield (interest rate) 15.00%            
Receivable with imputed interest, due date Aug. 03, 2022            
Unrestricted Common Class B [Member] | Rafael Holdings Inc. [Member]              
Number of related party shares received           28,320  
Class B Common Stock [Member] | Rafael Holdings Inc. [Member]              
Investment Owned, Balance, Shares       261,894   261,894  
Unrealized losses       $ 1,000,000.0   $ 13,500,000  
Unrealized gains         200,000   300,000
Visa Series C Convertible Participating Preferred Stock [Member]              
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount       $ 100,000 $ 100,000    
Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Annual Amount           $ 200,000 $ 16,000
Series B Convertible Preferred Stock [Member] | Equity Method Investee [Member]              
Payments to acquire equity method investments     $ 4,000,000.0        
Equity method investment, ownership percentage     23.95%        
Series C Convertible Preferred Stock [Member] | Equity Method Investee [Member]              
Payments to acquire equity method investments   $ 1,100,000          
Equity method investment, ownership percentage   26.57%