Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2012	Oct. 31, 2011
Revenues:
Equipment leasing	$ 11,062	$ 17,411	$ 42,952	$ 46,458
Lease pool equipment sales	1,873	2,442	7,409	3,103
Seamap equipment sales	4,495	6,198	22,301	21,081
Other equipment sales	1,143	1,969	3,622	5,158
Total revenues	18,573	28,020	76,284	75,800
Cost of sales:
Direct costs - equipment leasing	1,663	2,365	6,308	6,348
Direct costs - lease pool depreciation	8,308	7,223	25,139	20,016
Cost of lease pool equipment sales	1,341	519	3,752	723
Cost of Seamap and other equipment sales	2,907	3,568	12,445	12,230
Total cost of sales	14,219	13,675	47,644	39,317
Gross profit	4,354	14,345	28,640	36,483
Operating expenses:
General and administrative	5,854	4,961	16,907	15,403
Provision for (recovery of) doubtful accounts		679	(443)	187
Depreciation and amortization	362	304	1,031	921
Total operating expenses	6,216	5,944	17,495	16,511
Operating (loss) income	(1,862)	8,401	11,145	19,972
Other income (expenses):
Interest, net	79	(25)	(22)	(295)
Other, net	(395)	680	(964)	8
Total other income (expenses)	(316)	655	(986)	(287)
(Loss) income before income taxes	(2,178)	9,056	10,159	19,685
Benefit (provision) for income taxes	956	(2,293)	3,477	(5,529)
Net (loss) income	$ (1,222)	$ 6,763	$ 13,636	$ 14,156
Net (loss) income per common share:
Basic	$ (0.10)	$ 0.55	$ 1.07	$ 1.28
Diluted	$ (0.10)	$ 0.52	$ 1.03	$ 1.21
Shares used in computing net income per common share:
Basic	12,771	12,381	12,687	11,091
Diluted	12,771	12,982	13,264	11,689