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Balance Sheet
9 Months Ended
Oct. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Balance Sheet Balance Sheet
 As of October 31, 2020As of January 31, 2020
 CurrentLong-termTotalCurrentLong-termTotal
Accounts receivable$6,653 $— $6,653 $9,001 $— $9,001 
Less allowance for doubtful accounts(1,044)— (1,044)(2,378)— (2,378)
Accounts receivable net of allowance for doubtful accounts$5,609 $— $5,609 $6,623 $— $6,623 

October 31, 2020January 31, 2020
 (in thousands)
Inventories:
Raw materials$7,019 $7,388 
Finished goods3,436 3,758 
Work in progress2,698 2,720 
13,153 13,866 
Less allowance for obsolescence(1,273)(1,210)
Total inventories, net$11,880 $12,656 
 
October 31, 2020January 31, 2020
 (in thousands)
Property and equipment:
Marine seismic service equipment$6,970 $8,341 
Land and buildings4,358 4,274 
Furniture and fixtures9,661 9,364 
Autos and trucks490 491 
21,479 22,470 
Accumulated depreciation and amortization(16,525)(17,051)
Total property and equipment, net$4,954 $5,419 
As of January 31, 2020, the Company completed an annual review of long-lived assets noting that the undiscounted future cash flows exceeded their carrying value and no impairment has been recorded. Subsequent to January 31, 2020, there was a significant deterioration in macroeconomic factors and a decline in the market value of the Company’s equity securities which indicated possible impairment of long-lived assets. However, an analysis of the estimated recoverable value of these long-lived assets indicated that there was no impairment.