Segment Information (Details)	3 Months Ended	6 Months Ended	12 Months Ended
Jan. 31, 2024 USD ($) ft²	Jan. 31, 2023 USD ($)	Jan. 31, 2024 USD ($) ft² productArea	Jan. 31, 2023 USD ($)	Jul. 31, 2023 USD ($)	Jul. 31, 2022 USD ($)	Jul. 31, 2021 USD ($)
Segment Reporting Information, Profit (Loss)
Net sales	$ 134,225,000	$ 133,725,000	$ 286,136,000	$ 264,864,000
Operating income (loss)	2,973,000	(781,000)	5,059,000	(10,505,000)	$ (14,660,000)	$ (33,752,000)	$ (68,298,000)
Net income (loss)	(10,558,000)	(4,805,000)	(11,995,000)	(15,901,000)
Provision for income taxes	7,364,000	(222,000)	6,020,000	(830,000)
Interest expense	5,265,000	3,791,000	10,197,000	6,026,000
Interest (income) and other	902,000	455,000	837,000	200,000
Amortization of stock-based compensation	2,189,000	1,268,000	4,834,000	2,172,000
Amortization of intangibles	5,288,000	5,349,000	10,577,000	10,698,000
Depreciation	2,930,000	2,967,000	5,952,000	5,765,000
Amortization of cost to fulfill assets	240,000	240,000	480,000	480,000
CEO transition costs	0	0	0	9,090,000
Gain on business divestiture, net	(2,213,000)	0	(2,213,000)	0
Restructuring costs	2,726,000	1,543,000	6,442,000	2,868,000
Strategic emerging technology costs	978,000	738,000	2,348,000	1,484,000
Adjusted EBITDA	15,111,000	11,324,000	33,479,000	22,052,000
Purchases of property, plant and equipment			7,489,000	9,918,000
Total assets	996,755,000	983,672,000	996,755,000	983,672,000	$ 996,237,000
Purchases of property, plant and equipment	$ 4,273,000	2,697,000	$ 7,489,000	9,918,000
Chandler, Arizona
Segment Reporting Information, Profit (Loss)
Area of property (in sq ft) \| ft²	146,000		146,000
Satellite and Space Communications
Segment Reporting Information, Profit (Loss)
Net sales	$ 78,603,000	80,407,000	$ 180,991,000	161,280,000
Terrestrial and Wireless Networks
Segment Reporting Information [Line Items]
Number of product areas \| productArea			3
Segment Reporting Information, Profit (Loss)
Net sales	55,622,000	53,318,000	$ 105,145,000	103,584,000
Operating Segments \| Satellite and Space Communications
Segment Reporting Information, Profit (Loss)
Net sales	78,603,000	80,407,000	180,991,000	161,280,000
Operating income (loss)	1,855,000	3,327,000	11,960,000	8,343,000
Net income (loss)	(459,000)	3,123,000	8,844,000	8,938,000
Provision for income taxes	309,000	(422,000)	536,000	(644,000)
Interest expense	903,000	29,000	1,775,000	27,000
Interest (income) and other	1,102,000	597,000	805,000	22,000
Amortization of stock-based compensation	0	0	0	0
Amortization of intangibles	1,671,000	1,828,000	3,343,000	3,656,000
Depreciation	864,000	1,010,000	1,818,000	2,030,000
Amortization of cost to fulfill assets	240,000	240,000	480,000	480,000
CEO transition costs				0
Gain on business divestiture, net	0		0
Restructuring costs	1,454,000	1,089,000	2,244,000	2,145,000
Strategic emerging technology costs	978,000	738,000	2,348,000	1,484,000
Adjusted EBITDA	7,062,000	8,232,000	22,193,000	18,138,000
Purchases of property, plant and equipment			2,627,000	4,554,000
Total assets	480,008,000	486,426,000	480,008,000	486,426,000
Purchases of property, plant and equipment	1,724,000	119,000
Operating Segments \| Terrestrial and Wireless Networks
Segment Reporting Information, Profit (Loss)
Net sales	55,622,000	53,318,000	105,145,000	103,584,000
Operating income (loss)	8,134,000	3,312,000	12,174,000	4,056,000
Net income (loss)	7,600,000	3,563,000	11,745,000	4,168,000
Provision for income taxes	722,000	(116,000)	422,000	(281,000)
Interest expense	0	0	0	0
Interest (income) and other	(188,000)	(135,000)	7,000	169,000
Amortization of stock-based compensation	0	0	0	0
Amortization of intangibles	3,617,000	3,521,000	7,234,000	7,042,000
Depreciation	1,975,000	1,921,000	3,948,000	3,658,000
Amortization of cost to fulfill assets	0	0	0	0
CEO transition costs				0
Gain on business divestiture, net	0		0
Restructuring costs	1,000	0	8,000	0
Strategic emerging technology costs	0	0	0	0
Adjusted EBITDA	13,727,000	8,754,000	23,364,000	14,756,000
Purchases of property, plant and equipment			4,021,000	4,956,000
Total assets	461,246,000	471,358,000	461,246,000	471,358,000
Purchases of property, plant and equipment	2,285,000	2,414,000
Unallocated
Segment Reporting Information, Profit (Loss)
Net sales	0	0	0	0
Operating income (loss)	(7,016,000)	(7,420,000)	(19,075,000)	(22,904,000)
Net income (loss)	(17,699,000)	(11,491,000)	(32,584,000)	(29,007,000)
Provision for income taxes	6,333,000	316,000	5,062,000	95,000
Interest expense	4,362,000	3,762,000	8,422,000	5,999,000
Interest (income) and other	(12,000)	(7,000)	25,000	9,000
Amortization of stock-based compensation	2,189,000	1,268,000	4,834,000	2,172,000
Amortization of intangibles	0	0	0	0
Depreciation	91,000	36,000	186,000	77,000
Amortization of cost to fulfill assets	0	0	0	0
CEO transition costs				9,090,000
Gain on business divestiture, net	(2,213,000)		2,213,000
Restructuring costs	1,271,000	454,000	4,190,000	723,000
Strategic emerging technology costs	0	0	0	0
Adjusted EBITDA	(5,678,000)	(5,662,000)	(12,078,000)	(10,842,000)
Purchases of property, plant and equipment			841,000	408,000
Total assets	55,501,000	25,888,000	$ 55,501,000	$ 25,888,000
Purchases of property, plant and equipment	$ 264,000	$ 164,000

Our Adjusted EBITDA metric for the Satellite and Space Communications and Terrestrial and Wireless Networks segments do not consider any allocation of indirect expense, or any of the following: income taxes, interest, change in fair value of the convertible preferred stock purchase option liability, write-off of deferred financing costs, amortization of stock-based compensation, amortization of intangibles, depreciation expense, amortization of cost to fulfill assets, acquisition plan expenses, restructuring costs, COVID-19 related costs, strategic emerging technology costs (for next-generation satellite technology), facility exit costs, CEO transition costs, proxy solicitation costs, strategic alternatives expenses and other.

No definition available.