Balance Sheet (Tables)

9 Months Ended

Oct. 31, 2014

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Accounts Receivable

	October 31, 2014			January 31, 2014
	(in thousands)
Accounts receivable:
Accounts receivable	$	34,136		$	33,347
Allowance for doubtful accounts		(3,706	)		(3,833	)
Total accounts receivable, net	$	30,430		$	29,514

Schedule of Inventories

	October 31, 2014			January 31, 2014
	(in thousands)
Inventories:
Raw materials	$	5,827		$	4,599
Finished goods		5,649			4,159
Work in progress		529			612
		12,005			9,370
Less allowance for obsolescence		(847	)		(1,032	)
Total inventories, net	$	11,158		$	8,338

Schedule of Seismic Equipment Lease Pool and Property and Equipment

	October 31, 2014			January 31, 2014
	(in thousands)
Seismic equipment lease pool and property and equipment:
Seismic equipment lease pool	$	260,352		$	261,644
Land and buildings		366			366
Furniture and fixtures		9,765			8,904
Autos and trucks		768			770
		271,251			271,684
Accumulated depreciation and amortization		(158,448	)		(142,111	)
Total seismic equipment lease pool and property and equipment, net	$	112,803		$	129,573