v3.26.3
Note 24 - Related Party Transactions (Details Textual) - USD ($)
12 Months Ended
Apr. 28, 2025
Jul. 31, 2026
Jul. 31, 2025
Jul. 31, 2024
Aug. 01, 2025
Aug. 01, 2024
Accounts Receivable, after Allowance for Credit Loss, Current   $ 60,750,000 $ 44,932,000   $ 44,932,000 $ 42,215,000
Conversion of Stock, Amount Issued   3,548,000 442,000 $ 6,696,000    
Share-Based Payment Arrangement, Employee [Member]            
Financing Receivable, after Allowance for Credit Loss, Current   500,000 400,000      
Rafael Holdings, Inc. [Member]            
Related Party Transaction, Amounts of Transaction   300,000 300,000 300,000    
Receivables, Net, Current   0 0      
Genie Energy [Member]            
Related Party Transaction, Amounts of Transaction   100,000 900,000 900,000    
Receivables, Net, Current   200,000 200,000      
Zedge, Inc. [Member]            
Related Party Transaction, Amounts of Transaction   89,000 86,000      
Proceeds from Fees Received   131,000 126,000      
Accounts Receivable, after Allowance for Credit Loss, Current   9,000 1,000      
NRS and Zedge [Member]            
Related Party Transaction, Amounts of Transaction   24,000 200,000 0    
CTM Media Group [Member]            
Related Party Transaction, Amounts of Transaction   0 500,000 0    
Accounts Receivable, after Allowance for Credit Loss, Current   600,000 500,000      
Jonas Media Group [Member]            
Related Party Transaction, Amounts of Transaction   0 1,180 1,300    
Accounts Receivable, after Allowance for Credit Loss, Current   6,461 6,461      
Mason and Company Consulting [Member]            
Related Party Transaction, Amounts of Transaction   54,000 $ 54,000 $ 57,000    
Mason and Company Consulting [Member] | Conversion of NRS Shares into IDT Class B Common Stock [Member]            
Conversion of Stock, Shares Converted (in shares) 127,500          
Conversion of Stock, Shares Issued (in shares) 7,685          
Conversion of Stock, Amount Issued $ 395,250          
Howard and Shmuel Jonas [Member] | Lease in Bronx, New York [Member]            
Operating Lease, Annual Rent   $ 18,600