Balance Sheet - Continuing Operations (Tables)

6 Months Ended

12 Months Ended

Jul. 31, 2021

Jan. 31, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Accounts Receivable

	As of July 31, 2021			As 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

Accounts receivables from continuing operations consisted of the following (in thousands):

	As of January 31, 2021						As of January 31, 2020
	Current			Total			Current			Total
Accounts receivable	$	5,695		$	5,695		$	9,001		$	9,001
Less allowance for doubtful accounts		(948	)		(948	)		(2,378	)		(2,378	)
Accounts receivable net of allowance for doubtful accounts	$	4,747		$	4,747		$	6,623		$	6,623

Schedule of Inventories

	July 31, 2021			January 31, 2021
	(in thousands)
Inventories:
Raw materials	$	7,468		$	6,905
Finished goods		3,455			3,466
Work in progress		2,404			2,445
		13,327			12,816
Less allowance for obsolescence		(1,399	)		(1,363	)
Total inventories, net	$	11,928		$	11,453

Inventories from continuing operations consisted of the following (in thousands):

	As of January 31,
	2021			2020
Raw materials	$	6,905		$	7,388
Finished goods		3,466			3,758
Work in progress		2,445			2,720
Cost of inventories		12,816			13,866
Less allowance for obsolescence		(1,363	)		(1,210	)
Net inventories	$	11,453		$	12,656

Schedule of Seismic Equipment Lease Pool and Property and Equipment

	July 31, 2021			January 31, 2021
	(in thousands)
Property and equipment:
Marine seismic service equipment	$	4,157		$	5,969
Land and buildings		4,422			4,354
Furniture and fixtures		9,899			9,750
Autos and trucks		491			491
		18,969			20,564
Accumulated depreciation and amortization		(14,529	)		(15,813	)
Total property and equipment, net	$	4,440		$	4,751

Property and equipment from continuing operations consisted of the following (in thousands)

	As of January 31,
	2021			2020
Marine seismic service equipment		5,969			8,341
Land and buildings		4,354			4,274
Furniture and fixtures		9,750			9,364
Autos and trucks		491			491
Cost of property and equipment		20,564			22,470
Less accumulated depreciation		(15,813	)		(17,051	)
Net book value of property and equipment	$	4,751		$	5,419