Segment Information (Tables)

12 Months Ended

Jul. 31, 2023

Segment Reporting [Abstract]

Segment reconciliation

Operating segment information, along with a reconciliation of segment net income (loss) and consolidated net income to Adjusted EBITDA is presented in the tables below:

	Fiscal Year Ended July 31, 2023
	Satellite and Space Communications		Terrestrial and Wireless Networks	Unallocated	Total
Net sales	$	337,756,000	212,238,000	—	$	549,994,000
Operating income (loss)	$	15,041,000	12,323,000	(42,024,000)	$	(14,660,000)
Net income (loss)	$	15,539,000	12,297,000	(54,735,000)	$	(26,899,000)
Benefit from income taxes	(1,724,000)		(193,000)	(2,031,000)	(3,948,000)
Interest expense	2,000		—	14,959,000	14,961,000
Interest (income) and other	1,224,000		219,000	(217,000)	1,226,000
Amortization of stock-based compensation	—		—	10,107,000	10,107,000
Amortization of intangibles	7,312,000		14,084,000	—	21,396,000
Depreciation	4,121,000		7,637,000	164,000	11,922,000
Amortization of cost to fulfill assets	959,000		—	—	959,000
Restructuring costs	5,725,000		1,220,000	3,907,000	10,852,000
Strategic emerging technology costs	3,833,000		—	—	3,833,000
CEO transition costs	—		—	9,090,000	9,090,000
Adjusted EBITDA	$	36,991,000	35,264,000	(18,756,000)	$	53,499,000
Purchases of property, plant and equipment	$	7,244,000	10,075,000	992,000	$	18,311,000
Total assets at July 31, 2023	$	515,449,000	460,034,000	20,754,000	$	996,237,000

	Fiscal Year Ended July 31, 2022
	Satellite and Space Communications		Terrestrial and Wireless Networks	Unallocated	Total
Net sales	$	279,678,000	206,561,000	—	$	486,239,000
Operating (loss) income	$	(5,671,000)	18,925,000	(47,006,000)	$	(33,752,000)
Net (loss) income	$	(3,852,000)	18,796,000	(47,996,000)	$	(33,052,000)
(Benefit from) provision for income taxes	(1,120,000)		19,000	(2,922,000)	(4,023,000)
Interest expense	98,000		—	4,933,000	5,031,000
Interest (income) and other	(797,000)		110,000	(16,000)	(703,000)
Change in fair value of convertible    preferred stock purchase option liability	—		—	(1,005,000)	(1,005,000)
Amortization of stock-based compensation	—		—	7,767,000	7,767,000
Amortization of intangibles	7,312,000		14,084,000	—	21,396,000
Depreciation	4,049,000		6,069,000	196,000	10,314,000
Amortization of cost to fulfill assets	469,000		—	—	469,000
Restructuring costs	5,666,000		—	299,000	5,965,000
COVID-19 related costs	1,105,000		—	—	1,105,000
Strategic emerging technology costs	1,197,000		—	—	1,197,000
CEO transition costs	—		—	13,554,000	13,554,000
Proxy solicitation costs	—		—	11,248,000	11,248,000
Adjusted EBITDA	$	14,127,000	39,078,000	(13,942,000)	$	39,263,000
Purchases of property, plant and equipment	$	8,915,000	10,704,000	—	$	19,619,000
Total assets at July 31, 2022	$	487,235,000	461,443,000	25,619,000	$	974,297,000

	Fiscal Year Ended July 31, 2021
	Satellite and Space Communications		Terrestrial and Wireless Networks	Unallocated	Total
Net sales	$	374,850,000	206,845,000	—	$	581,695,000
Operating income (loss)	$	24,281,000	25,185,000	(117,764,000)	$	(68,298,000)
Net income (loss)	$	24,357,000	24,396,000	(122,233,000)	$	(73,480,000)
(Benefit from) provision for income taxes	(377,000)		795,000	(1,918,000)	(1,500,000)
Interest expense	66,000		—	6,755,000	6,821,000
Interest (income) and other	235,000		(6,000)	(368,000)	(139,000)
Amortization of stock-based compensation	—		—	9,983,000	9,983,000
Amortization of intangibles	5,695,000		15,325,000	—	21,020,000
Depreciation	3,721,000		5,316,000	342,000	9,379,000
Restructuring costs	2,782,000		—	—	2,782,000
COVID-19 related costs	1,046,000		—	—	$	1,046,000
Strategic emerging technology costs	315,000		—	—	$	315,000
Acquisition plan expenses	—		(1,052,000)	101,344,000	100,292,000
Adjusted EBITDA	$	37,840,000	44,774,000	(6,095,000)	$	76,519,000
Purchases of property, plant and equipment	$	8,456,000	7,498,000	83,000	$	16,037,000
Long-lived assets acquired in connection   with acquisitions	$	47,958,000	—	—	$	47,958,000
Total assets at July 31, 2021	$	507,981,000	462,877,000	22,253,000	$	993,111,000