Seismic Equipment Lease Pool and Property and Equipment (Tables)

12 Months Ended

Jan. 31, 2020

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,
	2020			2019
Recording channels	$	80,378		$	84,207
Other peripheral equipment	64,756			63,312
Cost of seismic equipment lease pool	145,134			147,519
Land and buildings	4,274			4,041
Furniture and fixtures	10,530			9,897
Autos and trucks	561			571
Cost of property and equipment	15,365			14,509
Cost of seismic equipment lease pool and property and equipment	160,499			162,028
Less accumulated depreciation	(146,722		)	(147,873		)
Net book value of seismic equipment lease pool and property and equipment	$	13,777		$	14,155

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,
	2020		2019
United States	$	5,400	$	1,566
Europe	4,110		5,564
Canada	1,136		93
Latin America	1,170		1,365
Singapore	773		4,496
Malaysia	1,188		1,071
Net book value of seismic equipment lease pool and property and equipment	$	13,777	$	14,155