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Credit Facility (Details)
 3 Months Ended 6 Months Ended
Mar. 03, 2025
USD ($)
Oct. 17, 2024
USD ($)
Jun. 17, 2024
USD ($)
$ / shares
shares
Jan. 31, 2025
USD ($)
Oct. 31, 2024
USD ($)
$ / shares
Jan. 31, 2024
USD ($)
Jan. 31, 2025
USD ($)
Jan. 31, 2024
USD ($)
Jan. 31, 2023
Oct. 31, 2025
USD ($)
Mar. 10, 2025
USD ($)
Jul. 31, 2024
USD ($)
$ / shares
Line of Credit Facility [Line Items]                        
Initial estimated fair value and carrying value of combined embedded derivatives     $ 3,116,000                 $ 3,041,000
Gain (loss) embedded derivative       $ 447,000     $ (1,504,000)          
Interest expense related to credit facility       $ 1,315,000     1,563,000          
Weighted average interest rate       18.90%   11.30%            
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       $ 2,769,000     2,769,000         $ 4,544,000
Fair Value Adjustment of Warrants       2,465,000     1,775,000          
Credit Facility                        
Line of Credit Facility [Line Items]                        
Line of credit facility, maximum borrowing capacity       25,000,000     25,000,000          
Capitalized deferred financing costs     15,035,000                  
Total net deferred financing costs     9,979,000 7,692,000     7,692,000          
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             202,940,000          
Interest expense related to credit facility       9,673,000   $ 5,246,000 $ 18,926,000 $ 10,157,000        
Weighted average interest rate             18.70%   10.90%      
Long-term debt       186,434,000     $ 186,434,000         177,577,000
Line of credit facility, term   90 days                    
Debt instruments, covenant, net leverage ratio, maximum             3.15          
Minimum interest expense coverage ratio             1.25          
Minimum liquidity       35,000,000     $ 35,000,000          
Credit Facility | Subsequent Event                        
Line of Credit Facility [Line Items]                        
Line of credit facility, term 90 days                      
Minimum liquidity                   $ 17,500,000    
Credit Facility | Line of Credit                        
Line of Credit Facility [Line Items]                        
Minimum liquidity       $ 20,000,000     $ 20,000,000          
Credit Facility | Line of Credit | Subsequent Event                        
Line of Credit Facility [Line Items]                        
Minimum liquidity $ 17,500,000                      
Credit Facility | Line of Credit | Secured Overnight Financing Rate (SOFR)                        
Line of Credit Facility [Line Items]                        
Debt instrument, interest rate, stated percentage       13.00%     13.00%          
Credit Facility | Line of Credit | Secured Overnight Financing Rate (SOFR) | Subsequent Event                        
Line of Credit Facility [Line Items]                        
Debt instrument, interest rate, stated percentage 10.50%                      
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         $ 675,000   $ 4,050,000          
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   $ 32,500,000     32,500,000          
Total net deferred financing costs     3,353,000                  
Long-term debt       $ 32,500,000     $ 32,500,000         32,500,000
Revolving Loan Facility | Credit Facility | Subsequent Event                        
Line of Credit Facility [Line Items]                        
Line of credit facility, maximum borrowing capacity $ 29,321,000                      
Long-term debt                     $ 23,416,000  
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%     85.00%          
Line of credit facility, borrowing capacity base, unbilled accounts receivable percentage       85.00%     85.00%          
Line of credit facility, borrowing capacity base, percentage of billed and unbilled receivables calculations       12.50%     12.50%          
Line of credit facility, borrowing capacity base, billed and unbilled receivables calculations, amount       $ 15,000,000     $ 15,000,000          
Line of credit facility, borrowing capacity base, percentage of inventory       60.00%     60.00%          
Remaining borrowing capacity       $ 132,446,000     $ 132,446,000         114,661,000
Term Loan     $ 56,821,000                  
Debt instrument, unused line fee     0.50%                  
Revolving Loan Facility | Credit Facility | Line of Credit | Subsequent Event                        
Line of Credit Facility [Line Items]                        
Partial principal payment 9,084,000                      
Line of credit facility, increase (decrease), net (3,179,000)                      
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       149,389,000     $ 149,389,000         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%                    
Unsecured Debt | Credit Facility | Subsequent Event                        
Line of Credit Facility [Line Items]                        
Line of credit facility, maximum borrowing capacity 65,000,000                      
Term Loan Facility | Credit Facility                        
Line of Credit Facility [Line Items]                        
Total net deferred financing costs     $ 6,626,000 5,886,000     5,886,000         6,425,000
Less: Unamortized discount       15,165,000     15,165,000         13,202,000
Term Loan       $ 170,440,000     $ 170,440,000         $ 161,663,000
Term Loan Facility | Credit Facility | Line of Credit | Subsequent Event                        
Line of Credit Facility [Line Items]                        
Partial principal payment $ 27,252,000                      
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%