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v3.26.1

General (Details) - USD ($) |  |  |  |  |  |  | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 14, 2026 | Jun. 12, 2026 | Apr. 30, 2026 | Jul. 21, 2025 | Mar. 03, 2025 | Oct. 17, 2024 | Apr. 30, 2026 | Apr. 30, 2025 | Apr. 30, 2026 | Apr. 30, 2025 | Jul. 31, 2025 | Jan. 31, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Loan prepayment penalty |  |  | 2.00% |  |  |  |  |  |  |  |  |
Redemption value of Series B-3 Convertible Preferred Stock at April 30, 2026 |  |  |  |  |  |  |  |  | $ 218,245,000 |  | $ 204,153,000 |
Repayments f long-term debt |  |  |  |  |  |  |  |  | 3,038,000 | $ 27,252,000 |  |
Non-current portion of subordinated credit facility, net |  |  | $ 106,879,000 |  |  |  | $ 106,879,000 |  | 106,879,000 |  | 95,588,000 |
Assets available for liquidity |  |  | 49,389,000 |  |  |  | 49,389,000 |  | 49,389,000 |  |  |
Qualified cash and cash equivalents |  |  | 25,780,000 |  |  |  | 25,780,000 |  | 25,780,000 |  |  |
CEO transition costs |  |  |  |  |  |  | 40,000 | $ 805,000 | 1,096,000 | $ 1,072,000 |  |
Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Loan prepayment penalty | 1.00% |  |  |  |  |  |  |  |  |  |  |
Assets available for liquidity |  | $ 50,010,000 |  |  |  |  |  |  |  |  |  |
Qualified cash and cash equivalents |  | 22,760,000 |  |  |  |  |  |  |  |  |  |
Subsequent Event | Comtech Telecommunications Corp. Subsidiaries | Wavestream Corporation |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Consideration transferred | $ 157,500,000 |  |  |  |  |  |  |  |  |  |  |
Advanced payment | 10,000,000 |  |  |  |  |  |  |  |  |  |  |
Escrow deposit | $ 3,000,000 |  |  |  |  |  |  |  |  |  |  |
Series B-2 Convertible Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Redemption value of Series B-3 Convertible Preferred Stock at April 30, 2026 |  |  | 218,245,000 |  |  |  |  |  |  |  |  |
Temporary equity, stock issued during period, shares, exchanged (in shares) |  |  |  |  | 175,263.58 | 171,827.05 |  |  |  |  |  |
Preferred stock, convertible, conversion price (in dollars per share) |  |  |  |  |  | $ 0.10 |  |  |  |  |  |
Series B-2 Convertible Preferred Stock | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Redemption value of Series B-3 Convertible Preferred Stock at April 30, 2026 |  | 220,466,000 |  |  |  |  |  |  |  |  |  |
Series B-3 Convertible Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Temporary equity, stock issued during period, shares, exchanged (in shares) |  |  |  |  | 175,263.58 |  |  |  |  |  |  |
Preferred stock, convertible, conversion price (in dollars per share) |  |  |  |  | $ 0.10 |  |  |  |  |  |  |
Series B-3 Convertible Preferred Stock | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Temporary equity, stock issued during period, shares, exchanged (in shares) | 178,180.34 |  |  |  |  |  |  |  |  |  |  |
Preferred stock, convertible, conversion price (in dollars per share) | $ 7.99 |  |  |  |  |  |  |  |  |  |  |
Common Stock | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of shares authorized (in shares) | 625,000 |  |  |  |  |  |  |  |  |  |  |
Price per share (in USD per share) | $ 0.10 |  |  |  |  |  |  |  |  |  |  |
Credit Facility |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Outstanding balance during period, maximum |  |  |  |  |  |  |  |  | 135,305,000 |  |  |
Long-term debt |  |  | 108,243,000 |  |  |  | 108,243,000 |  | 108,243,000 |  | 118,464,000 |
Credit Facility | Subsequent Event | Base Rate |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate | 9.50% |  |  |  |  |  |  |  |  |  |  |
Credit Facility | Subsequent Event | Secured Overnight Financing Rate (SOFR) |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate | 10.50% |  |  |  |  |  |  |  |  |  |  |
Credit Facility | Revolving Loan Facility |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  |  |  | $ 29,321,000 | $ 27,500,000 |  |  |  |  |  | $ 32,500,000
Long-term debt |  |  | 3,641,000 |  |  |  | 3,641,000 |  | 3,641,000 |  | $ 17,641,000 |
Remaining borrowing capacity |  |  | 23,609,000 |  |  |  | 23,609,000 |  | 23,609,000 |  |  |
Credit Facility | Revolving Loan Facility | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage | 1.00% |  |  |  |  |  |  |  |  |  |  |
Outstanding balance during period, maximum | $ 27,250,000 |  |  |  |  |  |  |  |  |  |  |
Remaining borrowing capacity |  | 27,250,000 |  |  |  |  |  |  |  |  |  |
Credit Facility | Term Loan |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Long-term line of credit |  |  | 119,672,000 |  |  |  | 119,672,000 |  | 119,672,000 |  |  |
Credit Facility | Term Loan | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Long-term line of credit |  | 116,031,000 |  |  |  |  |  |  |  |  |  |
Credit Facility | Unsecured Debt |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  | 65,000,000 | $ 35,000,000 | 40,000,000 | $ 25,000,000 | 65,000,000 |  | 65,000,000 |  |  |
Long-term line of credit |  |  | $ 104,135,000 |  |  |  | $ 104,135,000 |  | $ 104,135,000 |  |  |
Non-current portion of subordinated credit facility, net |  |  |  |  | $ 40,000,000 |  |  |  |  |  |  |
Line of credit facility, interest rate |  |  |  | 16.00% |  |  |  |  |  |  |  |
Credit Facility | Unsecured Debt | First Anniversary |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, interest rate |  |  |  |  |  |  |  |  | 33.00% |  |  |
Credit Facility | Unsecured Debt | Second Anniversary |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, interest rate |  |  |  |  |  |  |  |  | 50.00% |  |  |
Credit Facility | Unsecured Debt | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  | 35,000,000 |  |  |  |  |  |  |  |  |  |
Long-term line of credit |  | 104,796,000 |  |  |  |  |  |  |  |  |  |
Line of credit facility, make-whole amount |  | $ 32,500,000 |  |  |  |  |  |  |  |  |  |

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