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Balance Sheet - Continuing Operations
6 Months Ended
Jul. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Balance Sheet - Continuing Operations Balance Sheet - Continuing Operations
 As of July 31, 2021As of January 31, 2021
 (in thousands)
Accounts receivable$5,581 $5,695 
Less allowance for doubtful accounts(481)(948)
Accounts receivable net of allowance for doubtful accounts$5,100 $4,747 

July 31, 2021January 31, 2021
 (in thousands)
Inventories:
Raw materials$7,468 $6,905 
Finished goods3,455 3,466 
Work in progress2,404 2,445 
13,327 12,816 
Less allowance for obsolescence(1,399)(1,363)
Total inventories, net$11,928 $11,453 
 
July 31, 2021January 31, 2021
 (in thousands)
Property and equipment:
Marine seismic service equipment$4,157 $5,969 
Land and buildings4,422 4,354 
Furniture and fixtures9,899 9,750 
Autos and trucks491 491 
18,969 20,564 
Accumulated depreciation and amortization(14,529)(15,813)
Total property and equipment, net$4,440 $4,751 
As of January 31, 2021, the Company completed an annual review of long-lived assets noting that the undiscounted future cash flows exceeded their carrying value and no impairment was recorded. Since January 31, 2021, there have been no significant changes to the market, economic or legal environment in which the Company operates that would indicate additional impairment analysis is necessary as of July 31, 2021.