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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% |  |  |  |  |

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- Definition Class Of Warrant Or Right, Resell Rights, Percentage + References No definition available. + Details
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- Definition Interest expense related to the credit facility for the period, including undrawn line fees and amortization of deferred financing costs. + References No definition available. + Details
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- Definition Represented Consolidated EBITDA less cash paid for taxes, capital expenditures and dividends, the result of which was then divided by the sum of scheduled principal debt payments and cash paid for interest, all of the aforementioned calculated on a trailing twelve month basis + References No definition available. + Details
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- Definition Debt Issuance Cost, Discount, Percent + References No definition available. + Details
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- Definition Line Of Credit Facility, Borrowing Capacity Base, Billed Accounts Receivable Percentage + References No definition available. + Details
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- Definition Line Of Credit Facility, Borrowing Capacity Base, Billed and Unbilled Receivables Calculations, Amount + References No definition available. + Details
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- Definition Line Of Credit Facility, Borrowing Capacity Base, Percentage of Billed and Unbilled Receivables Calculations + References No definition available. + Details
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- Definition Line Of Credit Facility, Borrowing Capacity Base, Unbilled Accounts Receivable Percentage + References No definition available. + Details
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- Definition Line of Credit Facility, Interest Rate Increase (Decrease) + References No definition available. + Details
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- Definition Line Of Credit Facility Minimum Amount Outstanding During Period + References No definition available. + Details
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- Definition Line of Credit Facility, Partial Principal Repayment + References No definition available. + Details
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- Definition Line of Credit Facility, Term + References No definition available. + Details
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- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-3 + Details
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- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-3 + Details
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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