Condensed Consolidated Balance Sheets (Unaudited) (USD $)	Oct. 31, 2014	Jan. 31, 2014
Current assets:
Cash and cash equivalents	$ 9,069,000	$ 15,162,000
Restricted cash		81,000
Accounts receivable, net	30,430,000	29,514,000
Contracts and notes receivable	3,338,000	1,005,000
Inventories, net	11,158,000	8,338,000
Prepaid income taxes	1,317,000	2,177,000
Deferred tax asset	1,562,000	1,968,000
Prepaid expenses and other current assets	9,866,000	3,915,000
Total current assets	66,740,000	62,160,000
Seismic equipment lease pool and property and equipment, net	112,803,000	129,573,000
Intangible assets, net	11,905,000	3,201,000
Goodwill	5,661,000	4,320,000
Deferred tax asset	8,217,000	6,133,000
Other assets	1,902,000	32,000
Total assets	207,228,000	205,419,000
Current liabilities:
Accounts payable	6,489,000	10,745,000
Current maturities - long-term debt	2,421,000	75,000
Deferred revenue	179,000	35,000
Accrued expenses and other current liabilities	4,605,000	1,583,000
Total current liabilities	13,694,000	12,438,000
Non-current income taxes payable		408,000
Long-term debt, net of current maturities	32,141,000	22,125,000
Total liabilities	45,835,000	34,971,000
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; 14,012 and 13,907 shares issued at October 31, 2014 and January 31, 2014, respectively	140,000	139,000
Additional paid-in capital	119,496,000	118,156,000
Treasury stock, at cost (1,928 and 1,075 shares at October 31, 2014 and January 31, 2014, respectively)	(16,851,000)	(7,075,000)
Retained earnings	61,109,000	61,116,000
Accumulated other comprehensive loss	(2,501,000)	(1,888,000)
Total shareholders' equity	161,393,000	170,448,000
Total liabilities and shareholders' equity	$ 207,228,000	$ 205,419,000