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Segment Information (Details) | 12 Months Ended
--- | ---
Jul. 31, 2024 USD ($) ft² operating_segment | Jul. 31, 2023 USD ($) | Jul. 31, 2022 USD ($)
Segment Reporting Information [Line Items] |  |  |
Number of reportable segments | operating_segment | 2 |  |
Segment Reporting Information, Profit (Loss) |  |  |
Net sales | $ 540,403,000 | $ 549,994,000 | $ 486,239,000
Operating (loss) income | (79,890,000) | (14,660,000) | (33,752,000)
Net (loss) income | (99,985,000) | (26,899,000) | (33,052,000)
Provision for (benefit from) income taxes | (295,000) | (3,948,000) | (4,023,000)
Interest expense | 22,153,000 | 14,961,000 | 5,031,000
Interest (income) and other | 678,000 | 1,226,000 | (703,000)
Change in fair value of convertible preferred stock purchase option liability | 0 | 0 | 1,005,000
Write-off of deferred financing costs | 1,832,000 | 0 | 0
Change in fair value of warrants and derivatives | (4,273,000) | 0 | 0
Amortization of stock-based compensation | 6,096,000 | 10,107,000 | 7,767,000
Amortization of intangibles | 21,154,000 | 21,396,000 | 21,396,000
Depreciation | 12,159,000 | 11,922,000 | 10,314,000
Impairment of long-lived assets, including goodwill | 64,525,000 | 0 | 0
Amortization of cost to fulfill assets | 960,000 | 959,000 | 469,000
CEO transition costs | 2,916,000 | 9,090,000 | 13,554,000
Restructuring costs | 12,470,000 | 10,852,000 | 5,965,000
COVID-19 related costs |  |  | 1,105,000
Strategic emerging technology costs | 4,110,000 | 3,833,000 | 1,197,000
Loss on business divestiture | 1,199,000 | 0 | 0
Proxy solicitation costs | 0 | 0 | 11,248,000
Adjusted EBITDA | 45,699,000 | (53,499,000) | (39,263,000)
Purchases of property, plant and equipment | 13,083,000 | 18,311,000 | 19,619,000
Total assets | $ 912,434,000 | 996,237,000 | 974,297,000
Chandler, Arizona |  |  |
Segment Reporting Information, Profit (Loss) |  |  |
Area of property (in sq ft) | ft² | 146,000 |  |
Satellite and Space Communications |  |  |
Segment Reporting Information, Profit (Loss) |  |  |
Net sales | $ 324,069,000 | 337,756,000 | 279,678,000
Terrestrial and Wireless Networks |  |  |
Segment Reporting Information, Profit (Loss) |  |  |
Net sales | 216,334,000 | 212,238,000 | 206,561,000
Operating Segments | Satellite and Space Communications |  |  |
Segment Reporting Information, Profit (Loss) |  |  |
Net sales | 324,069,000 | 337,756,000 | 279,678,000
Operating (loss) income | (54,202,000) | 15,041,000 | (5,671,000)
Net (loss) income | (55,491,000) | 15,539,000 | (3,852,000)
Provision for (benefit from) income taxes | 666,000 | (1,724,000) | (1,120,000)
Interest expense | 25,000 | 2,000 | 98,000
Interest (income) and other | 598,000 | 1,224,000 | (797,000)
Change in fair value of convertible preferred stock purchase option liability |  |  | 0
Write-off of deferred financing costs | 0 |  |
Change in fair value of warrants and derivatives | 0 |  |
Amortization of stock-based compensation | 0 | 0 | 0
Amortization of intangibles | 6,685,000 | 7,312,000 | 7,312,000
Depreciation | 3,867,000 | 4,121,000 | 4,049,000
Impairment of long-lived assets, including goodwill | 64,525,000 |  |
Amortization of cost to fulfill assets | 960,000 | 959,000 | 469,000
CEO transition costs | 0 | 0 | 0
Restructuring costs | 3,822,000 | 5,725,000 | 5,666,000
COVID-19 related costs |  |  | 1,105,000
Strategic emerging technology costs | 4,110,000 | 3,833,000 | 1,197,000
Loss on business divestiture | 0 |  |
Proxy solicitation costs |  |  | 0
Adjusted EBITDA | 29,767,000 | (36,991,000) | (14,127,000)
Purchases of property, plant and equipment | 2,890,000 | 7,244,000 | 8,915,000
Total assets | 421,780,000 | 515,449,000 | 487,235,000
Operating Segments | Terrestrial and Wireless Networks |  |  |
Segment Reporting Information, Profit (Loss) |  |  |
Net sales | 216,334,000 | 212,238,000 | 206,561,000
Operating (loss) income | 21,670,000 | 12,323,000 | 18,925,000
Net (loss) income | 20,955,000 | 12,297,000 | 18,796,000
Provision for (benefit from) income taxes | 669,000 | (193,000) | 19,000
Interest expense | 0 | 0 | 0
Interest (income) and other | 46,000 | 219,000 | 110,000
Change in fair value of convertible preferred stock purchase option liability |  |  | 0
Write-off of deferred financing costs | 0 |  |
Change in fair value of warrants and derivatives | 0 |  |
Amortization of stock-based compensation | 0 | 0 | 0
Amortization of intangibles | 14,469,000 | 14,084,000 | 14,084,000
Depreciation | 7,927,000 | 7,637,000 | 6,069,000
Impairment of long-lived assets, including goodwill | 0 |  |
Amortization of cost to fulfill assets | 0 | 0 | 0
CEO transition costs | 0 | 0 | 0
Restructuring costs | 605,000 | 1,220,000 | 0
COVID-19 related costs |  |  | 0
Strategic emerging technology costs | 0 | 0 | 0
Loss on business divestiture | 0 |  |
Proxy solicitation costs |  |  | 0
Adjusted EBITDA | 44,671,000 | (35,264,000) | (39,078,000)
Purchases of property, plant and equipment | 8,569,000 | 10,075,000 | 10,704,000
Total assets | 456,425,000 | 460,034,000 | 461,443,000
Unallocated |  |  |
Segment Reporting Information, Profit (Loss) |  |  |
Net sales | 0 | 0 | 0
Operating (loss) income | (47,358,000) | (42,024,000) | (47,006,000)
Net (loss) income | (65,449,000) | (54,735,000) | (47,996,000)
Provision for (benefit from) income taxes | (1,630,000) | (2,031,000) | (2,922,000)
Interest expense | 22,128,000 | 14,959,000 | 4,933,000
Interest (income) and other | 34,000 | (217,000) | (16,000)
Change in fair value of convertible preferred stock purchase option liability |  |  | 1,005,000
Write-off of deferred financing costs | 1,832,000 |  |
Change in fair value of warrants and derivatives | (4,273,000) |  |
Amortization of stock-based compensation |  | 10,107,000 | 7,767,000
Amortization of intangibles | 0 | 0 | 0
Depreciation | 365,000 | 164,000 | 196,000
Impairment of long-lived assets, including goodwill | 0 |  |
Amortization of cost to fulfill assets | 0 | 0 | 0
CEO transition costs | 2,916,000 | 9,090,000 | 13,554,000
Restructuring costs | 8,043,000 | 3,907,000 | 299,000
COVID-19 related costs |  |  | 0
Strategic emerging technology costs | 0 | 0 | 0
Loss on business divestiture | 1,199,000 |  |
Proxy solicitation costs |  |  | 11,248,000
Adjusted EBITDA | (28,739,000) | 18,756,000 | 13,942,000
Purchases of property, plant and equipment | 1,624,000 | 992,000 | 0
Total assets | $ 34,229,000 | $ 20,754,000 | $ 25,619,000

X
- Definition Refer to as Adjusted Earnings (Losses) Before Interest, Taxes, Depreciation and Amortization ("Adjusted EBITDA") to measure an operating segment’s performance and to make decisions about resources to be allocated during the period. The Company's Adjusted EBITDA metric does not consider any allocation of the following: income taxes, interest (income) and other expense, interest expense, amortization of stock-based compensation, amortization of intangibles, depreciation expense, settlement of intellectual property litigation, acquisition plan expenses or strategic alternatives analysis expenses and other. + References No definition available. + Details
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