Seismic Equipment Lease Pool and Property and Equipment

12 Months Ended

Jan. 31, 2018

Property, Plant and Equipment [Abstract]

Seismic Equipment Lease Pool and Property and Equipment

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,
	2018			2017
Recording channels	$	89,397		$	126,081
Other peripheral equipment	84,877			92,920
Cost of seismic equipment lease pool	174,274			219,001
Land and buildings	3,380			3,379
Furniture and fixtures	10,222			9,462
Autos and trucks	722			675
Cost of property and equipment	14,324			13,516
Cost of seismic equipment lease pool and property and equipment	188,598			232,517
Less accumulated depreciation	(165,698		)	(188,679		)
Net book value of seismic equipment lease pool and property and equipment	$	22,900		$	43,838

As of January 31, 2018 and 2017, the Company completed an annual review of long-lived assets by comparing undiscounted future cash flows to be generated by our lease pool assets to the carrying value of our lease pool assets noting that the undiscounted future cash flows exceeded their carrying value and no impairment has been recorded.

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

	As of January 31,
	2018		2017
United States	$	4,973	$	16,510
Europe	6,557		7,730
Canada	2,134		8,525
Latin America	2,390		2,317
Singapore	4,793		5,321
Australia	737		1,462
Russia	1,316		1,973
Net book value of seismic equipment lease pool and property and equipment	$	22,900	$	43,838