Note 9 - Property and Equipment (Tables)

12 Months Ended

Jan. 31, 2022

Notes Tables

Property, Plant and Equipment [Table Text Block]

	As of January 31,
	2022			2021
Furniture and fixtures		9,865			9,750
Autos and trucks		495			491
Marine seismic service equipment		3,880			5,969
Land and buildings		4,555			4,354
Cost of property and equipment		18,795			20,564
Less accumulated depreciation		(14,523	)		(15,813	)
Net book value of property and equipment	$	4,272		$	4,751

Schedule Of Property Plant And Equipment By Geographic Area [Table Text Block]

	As of January 31,
	2022		2021
United States	$	3,068	$	3,133
Europe		46		87
Singapore		332		480
Malaysia		826		1,051
Net book value of property and equipment	$	4,272	$	4,751