Property, Buildings and Equipment, net

12 Months Ended

Jul. 31, 2018

Property, Buildings and Equipment, net [Abstract]

Property, Buildings and Equipment, net

9. Property, Buildings and Equipment, net

Property, buildings and equipment is summarized in the following table.

	July 31,
	2018			2017 (Restated)
	(in thousands)
Land and land improvements	$	393		$	393
Buildings and building improvements		7,455			7,338
Field equipment		1,970			2,153
Computer equipment		4,156			4,166
Computer software		2,940			3,041
Office furniture and equipment		2,142			2,138
Vehicles		1,134			1,331
Other		479			383
		20,669			20,943
Accumulated depreciation and amortization		(16,799	)		(16,666	)
Property, buildings and equipment, net	$	3,870		$	4,277