Segment Reporting (Tables)

12 Months Ended

Jul. 31, 2019

Segment Reporting [Abstract]

Revenue from External Customers by Geographic Areas

Gross revenue, net income (loss) attributable to EEI and total assets by operating segment are summarized in the following tables.

	Fiscal Year Ended July 31,
	2019		2018		2017
	(in thousands)
Gross revenue:
U.S. operations	$	70,622	$	71,882	$	80,659
South American operations		17,888		18,802		15,424
Consolidated gross revenue	$	88,510	$	90,684	$	96,083

Gross revenue from U.S. federal government contracts were $14.1 million, $15.8 million and $21.9 million for fiscal years 2019, 2018 and 2017, respectively.

	Fiscal Year Ended July 31,
	2019			2018			2017
	(in thousands)
Net (loss) income attributable to EEI:
U.S. operations (a)	$	(543	)	$	(651	)	$	3,688
South American operations (b)		(11	)		343			(865	)
Consolidated net (loss) income attributable to EEI	$	(554	)	$	(308	)	$	2,823

(a) Includes depreciation and amortization expense of $0.8 million, $0.8 million and $0.8 million for fiscal years 2019, 2018 and 2017, respectively.

(b) Includes depreciation and amortization expense of $0.2 million, $0.3 million and $0.2 million for fiscal years 2019, 2018 and 2017, respectively.

Assets by Geographic Areas

	July 31,
	2019		2018
	(in thousands)
Total Assets:
U.S. operations	$	43,842	$	43,823
South American operations		7,968		9,006
Consolidated total assets	$	51,810	$	52,829