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Credit Facility (Details)
 3 Months Ended 12 Months Ended
Oct. 17, 2024
USD ($)
Jun. 17, 2024
USD ($)
$ / shares
shares
Oct. 31, 2024
USD ($)
$ / shares
Oct. 31, 2023
USD ($)
Jul. 31, 2024
USD ($)
$ / shares
Jul. 31, 2023
Nov. 30, 2022
USD ($)
Line of Credit Facility [Line Items]              
Initial estimated fair value and carrying value of combined embedded derivatives   $ 3,116,000 $ 4,992,000   $ 3,041,000    
Embedded Derivative, Gain on Embedded Derivative     1,951,000        
Interest expense related to credit facility     $ 248,000        
Common Stock              
Line of Credit Facility [Line Items]              
Share price (in dollars per share) | $ / shares     $ 3.72   $ 3.17    
Terrestrial and Wireless Networks              
Line of Credit Facility [Line Items]              
Percentage of fair value in excess of carrying amount for reporting unit         24.70%    
New Credit Facility Warrants              
Line of Credit Facility [Line Items]              
Warrants outstanding (in shares) | shares   1,435,884          
Exercise price of warrants or rights | $ / shares   $ 0.10          
Class Of Warrant Or Right, Resell Rights, Percentage   50.00%          
Class Of Warrant Or Right, Resell Rights, Discount Percentage   10.00%          
Class Of Warrant Or Right, Resell Rights, Volume Weighted Average Price   30 days          
Warrants Not Settleable in Cash, Fair Value Disclosure   $ 3,011,000          
Warrant Liability, Fair Value     $ 5,234,000   $ 4,544,000    
Fair Value Adjustment of Warrants     690,000        
Credit Facility              
Line of Credit Facility [Line Items]              
Line of credit facility, maximum borrowing capacity $ 25,000,000            
Capitalized deferred financing costs   15,035,000          
Total net deferred financing costs   9,979,000 8,117,000        
Less: Unamortized discount   $ 5,056,000          
Debt issuance cost, discount, percent   3.00%          
Debt instrument, exit fee clause, payment   $ 2,430,000          
Debt instrument, amendment fee     3,250,000        
Outstanding balance during period, minimum     194,163,000        
Outstanding balance during period, maximum     199,495,000        
Interest expense related to credit facility     9,252,000 $ 4,910,000      
Long-term debt     $ 182,380,000   177,577,000    
Debt, Weighted Average Interest Rate     19.00%     10.50%  
Line of credit facility, term 90 days            
Debt instruments, covenant, net leverage ratio, maximum     3.25        
Minimum interest expense coverage ratio     1.20        
Minimum liquidity     $ 20,000,000       $ 35,000,000
Secured Credit Facility | Credit Facility | Line of Credit              
Line of Credit Facility [Line Items]              
Term Loan   $ 162,000,000          
Debt instrument, amortization percent   2.50%          
Debt instrument, periodic payment     4,050,000   675,000    
Debt instrument, annual principal payment   $ 1,012,500          
Revolving Loan Facility | Credit Facility              
Line of Credit Facility [Line Items]              
Line of credit facility, maximum borrowing capacity $ 27,500,000 222,000,000 32,500,000        
Total net deferred financing costs   3,353,000          
Term Loan   25,000,000          
Long-term debt     $ 32,500,000   32,500,000    
Revolving Loan Facility | Credit Facility | Line of Credit              
Line of Credit Facility [Line Items]              
Line of credit facility, borrowing capacity base, billed accounts receivable percentage     85.00%        
Line of credit facility, borrowing capacity base, unbilled accounts receivable percentage     85.00%        
Line of credit facility, borrowing capacity base, percentage of billed and unbilled receivables calculations     12.50%        
Line of credit facility, borrowing capacity base, billed and unbilled receivables calculations, amount     $ 15,000,000        
Line of credit facility, borrowing capacity base, percentage of inventory     60.00%        
Remaining borrowing capacity     $ 122,999,000   114,661,000    
Term Loan   $ 60,000,000          
Debt instrument, unused line fee   0.50%          
Debt instrument, fee payable         27,500,000    
Revolving Loan Facility | Credit Facility | Line of Credit | Base Rate              
Line of Credit Facility [Line Items]              
Debt instrument, interest rate margin increase     1.00%        
Revolving Loan Facility | Credit Facility | Line of Credit | Minimum | Base Rate              
Line of Credit Facility [Line Items]              
Basis spread on variable rate     4.75%        
Revolving Loan Facility | Credit Facility | Line of Credit | Minimum | Secured Overnight Financing Rate (SOFR)              
Line of Credit Facility [Line Items]              
Basis spread on variable rate     5.75%        
Revolving Loan Facility | Credit Facility | Line of Credit | Maximum | Base Rate              
Line of Credit Facility [Line Items]              
Basis spread on variable rate     5.25%        
Revolving Loan Facility | Credit Facility | Line of Credit | Maximum | Secured Overnight Financing Rate (SOFR)              
Line of Credit Facility [Line Items]              
Basis spread on variable rate     6.25%        
Term Loan A | Credit Facility              
Line of Credit Facility [Line Items]              
Long-term debt     $ 144,888,000   142,036,000    
Unsecured Debt | Credit Facility              
Line of Credit Facility [Line Items]              
Line of credit facility, maximum borrowing capacity $ 25,000,000            
Borrowing rate, increase 2.00%            
Term Loan Facility | Credit Facility              
Line of Credit Facility [Line Items]              
Total net deferred financing costs   $ 6,626,000 6,181,000   6,425,000    
Less: Unamortized discount     15,926,000   13,202,000    
Term Loan     $ 166,995,000   $ 161,663,000    
Term Loan Facility | Credit Facility | Line of Credit | Base Rate              
Line of Credit Facility [Line Items]              
Basis spread on variable rate     12.00%        
Term Loan Facility | Credit Facility | Line of Credit | Secured Overnight Financing Rate (SOFR)              
Line of Credit Facility [Line Items]              
Basis spread on variable rate     13.00%        
Term Loan Facility | Credit Facility | Line of Credit | Minimum | Base Rate              
Line of Credit Facility [Line Items]              
Basis spread on variable rate     7.50%        
Term Loan Facility | Credit Facility | Line of Credit | Minimum | Secured Overnight Financing Rate (SOFR)              
Line of Credit Facility [Line Items]              
Basis spread on variable rate     8.50%        
Term Loan Facility | Credit Facility | Line of Credit | Maximum | Base Rate              
Line of Credit Facility [Line Items]              
Basis spread on variable rate     9.00%        
Term Loan Facility | Credit Facility | Line of Credit | Maximum | Secured Overnight Financing Rate (SOFR)              
Line of Credit Facility [Line Items]              
Basis spread on variable rate     10.00%