Seismic Equipment Lease Pool and Property and Equipment (Tables)

12 Months Ended

Jan. 31, 2016

Property, Plant and Equipment [Abstract]

Schedule of Seismic Equipment Lease Pool and Property and Equipment

Seismic equipment lease pool and property and equipment consisted of the following (in thousands):

	As of January 31,
	2016			2015
Recording channels	$	127,202		$	137,627
Other peripheral equipment		103,721			105,584
Cost of seismic equipment lease pool		230,923			243,211
Land and buildings		3,375			366
Furniture and fixtures		9,405			9,399
Autos and trucks		694			722
Cost of property and equipment		13,474			10,487
Cost of seismic equipment lease pool and property and equipment		244,397			253,698
Less accumulated depreciation		(170,881	)		(153,611	)
Net book value of seismic equipment lease pool and property and equipment	$	73,516		$	100,087

Location of Seismic Equipment Lease Pool and Property and Equipment

Location of seismic equipment lease pool and property and equipment (in thousands):

	As of January 31,
	2016		2015
United States	$	26,913	$	43,541
Canada		13,985		22,451
Latin America		3,074		7,519
Australia		2,611		4,600
Russia		2,026		2,698
Singapore		6,408		6,627
United Kingdom		96		125
Europe		18,403		12,526
Net book value of seismic equipment lease pool and property and equipment	$	73,516	$	100,087