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Property and Equipment
12 Months Ended
Jan. 31, 2021
Property, Plant and Equipment [Abstract]  
Property and Equipment Property and Equipment
Property and equipment from continuing operations consisted of the following (in thousands)
 As of January 31,
 20212020
Marine seismic service equipment5,969 8,341 
Land and buildings4,354 4,274 
Furniture and fixtures9,750 9,364 
Autos and trucks491 491 
Cost of property and equipment20,564 22,470 
Less accumulated depreciation(15,813)(17,051)
Net book value of property and equipment$4,751 $5,419 
Location of property and equipment (in thousands):
 As of January 31,
 20212020
United States$3,133 $3,379 
Europe87 78 
Singapore480 773 
Malaysia1,051 1,189 
Net book value of property and equipment$4,751 $5,419