Balance Sheet

9 Months Ended

Oct. 31, 2011

Balance Sheet [Abstract]

Balance Sheet

6. Balance Sheet

	October 31, 2011			January 31, 2011
	(in thousands)
Accounts receivable:
Accounts receivable	$	31,352		$	20,498
Allowance for doubtful accounts		(3,926	)		(2,666	)
Total accounts receivable, net	$	27,426		$	17,832
Contracts receivable:
Contracts receivable	$	2,508		$	4,937
Less current portion of contracts receivable		(2,508	)		(3,582	)
Long-term portion of contracts receivable, net	$	—		$	1,355

Contracts receivable consisted of $2,508,000 due from two customers as of October 31, 2011 and $4,937,000 due from two customers as of January 31, 2011. Contracts receivable at October 31, 2011 consisted of contracts bearing interest at an average of approximately 9% per year and with remaining repayment terms from six to eight months. These contracts are collateralized by the equipment sold and are considered collectable; thus, no allowances have been established for them.

	October 31, 2011			January 31, 2011
	(in thousands)
Inventories:
Raw materials	$	2,583		$	2,440
Finished goods		3,155			1,888
Work in progress		903			1,215
		6,641			5,543
Less allowance for obsolescence		(857	)		(730	)
Total inventories, net	$	5,784		$	4,813

	October 31, 2011			January 31, 2011
	(in thousands)
Seismic equipment lease pool and property and equipment:
Seismic equipment lease pool	$	217,640		$	166,883
Land and buildings		366			366
Furniture and fixtures		7,966			6,761
Autos and trucks		677			663
		226,649			174,673
Accumulated depreciation and amortization		(111,436	)		(95,578	)
Total seismic equipment lease pool and property and equipment, net	$	115,213		$	79,095