Segment Reporting (Tables)

12 Months Ended

Jul. 31, 2018

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,
	2018		2017 (Restated)		2016 (Restated)
	(in thousands)
Gross revenue:
U.S. operations	$	71,882	$	80,659	$	82,794
South American operations		18,802		15,424		15,454
Consolidated gross revenue	$	90,684	$	96,083	$	98,248

Gross revenue from U.S. federal government contracts were $15.8 million, $21.9 million and $25.3 million for fiscal years 2018, 2017 and 2016, respectively.

	Fiscal Year Ended July 31,
	2018			2017 (Restated)			2016 (Restated)
	(in thousands)
Net (loss) income attributable to EEI:
U.S. operations (a)	$	(651	)	$	3,688		$	2,473
South American operations (b)		343			(865	)		(1,732	)
Consolidated net (loss) income attributable to EEI	$	(308	)	$	2,823		$	741

(a) Includes depreciation and amortization expense of $0.8 million, $0.8 million and $0.9 million for fiscal years 2018, 2017 and 2016, respectively.

(b) Includes depreciation and amortization expense of $0.3 million, $0.2 million and $0.1 million for fiscal years 2018, 2017 and 2016, respectively.

Assets by Geographic Areas

	July 31,
	2018		2017 (Restated)
	(in thousands)
Total Assets:
U.S. operations	$	43,823	$	48,011
South American operations		9,006		9,906
Consolidated total assets	$	52,829	$	57,917