Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands	Jul. 31, 2011	Jan. 31, 2011
Current assets:
Cash and cash equivalents	$ 13,897	$ 14,647
Restricted cash	102	0
Accounts receivable, net	21,208	17,832
Current portion of contracts receivable	3,380	3,582
Inventories, net	5,597	4,813
Prepaid income tax	711	325
Deferred tax asset	1,396	1,427
Prepaid expenses and other current assets	3,395	2,128
Total current assets	49,686	44,754
Seismic equipment lease pool and property and equipment, net	101,563	79,095
Intangible assets, net	5,231	5,358
Goodwill	4,320	4,320
Prepaid foreign income tax	3,434	3,053
Long-term portion of contracts receivable, net	0	1,355
Other assets	40	36
Total assets	164,274	137,971
Current liabilities:
Accounts payable	6,961	5,203
Current maturities - long-term debt	2,662	3,177
Income taxes payable	408	1,276
Deferred revenue	1,790	778
Accrued expenses and other current liabilities	8,594	5,165
Total current liabilities	20,415	15,599
Non-current income taxes payable	4,445	3,482
Deferred tax liability	84	832
Long-term debt, net of current maturities	1,084	23,343
Total liabilities	26,028	43,256
Shareholders' equity:
Preferred stock, $1.00 par value; 1,000 shares authorized; none issued and outstanding
Common stock, $0.01 par value; 20,000 shares authorized; 13,339 and 10,872 shares issued at July 31, 2011 and January 31, 2011, respectively	133	109
Additional paid-in capital	110,773	77,419
Treasury stock, at cost (925 shares at July 31, 2011 and January 31, 2011)	(4,857)	(4,843)
Retained earnings	22,369	14,976
Accumulated other comprehensive income	9,828	7,054
Total shareholders' equity	138,246	94,715
Total liabilities and shareholders' equity	$ 164,274	$ 137,971