CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jan. 31, 2014	Jan. 31, 2013	Jan. 31, 2012
Revenues:
Equipment leasing	$ 46,756	$ 54,592	$ 70,137
Lease pool equipment sales	6,851	11,412	6,503
Seamap equipment sales	25,086	31,169	28,406
Other equipment sales	13,415	7,512	7,788
Total revenues	92,108	104,685	112,834
Cost of sales:
Direct costs-equipment leasing	5,517	7,963	8,059
Direct costs-lease pool depreciation	29,412	33,405	27,400
Cost of lease pool equipment sales	2,295	6,043	1,580
Cost of Seamap and other equipment sales	22,869	19,861	18,043
Total cost of sales	60,093	67,272	55,082
Gross profit	32,015	37,413	57,752
Operating expenses:
General and administrative	23,669	22,539	21,354
Provision for (recovery of) doubtful accounts	1,048	(428)	615
Depreciation and amortization	1,493	1,400	1,239
Total operating expenses	26,210	23,511	23,208
Operating income	5,805	13,902	34,544
Other income (expense):
Interest income	304	544	344
Interest expense	(314)	(533)	(740)
Other, net	231	(389)	182
Total other income (expense)	221	(378)	(214)
Income before income taxes	6,026	13,524	34,330
(Provision for) benefit from income taxes	(1,258)	3,527	(10,009)
Net income	$ 4,768	$ 17,051	$ 24,321
Net income per common share:
Basic	$ 0.37	$ 1.34	$ 2.13
Diluted	$ 0.36	$ 1.29	$ 2.02
Shares used in computing income per common share:
Basic	12,763	12,715	11,432
Diluted	13,177	13,242	12,069