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Computer Equipment, Software, Leasehold Improvements, and Furniture, Net
 6 Months Ended
Jul. 31, 2022
Property, Plant and Equipment [Abstract]  
Computer Equipment, Software, Leasehold Improvements, and Furniture, Net Computer Equipment, Software, Leasehold Improvements, and Furniture, Net
Computer equipment, software, leasehold improvements, and furniture and equipment and the related accumulated depreciation were as follows: 
July 31, 2022January 31, 2022
Computer hardware, at cost$138 $137 
Computer software, at cost55 55 
Leasehold improvements, land and buildings, at cost357 351 
Furniture and equipment, at cost93 93 
643 636 
Less: Accumulated depreciation(489)(474)
Computer hardware, software, leasehold improvements, and furniture and equipment, net
$154 $162