Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 30, 2018	Apr. 30, 2017
Revenues:
Sale of marine technology products	$ 3,566	$ 6,888
Equipment leasing	2,697	2,717
Sale of lease pool equipment	1,350	8,828
Total revenues	7,613	18,433
Cost of sales:
Sale of marine technology products	2,086	3,975
Equipment leasing (including lease pool depreciation of $2,654, and $4,181 at April 30, 2018, and April 30, 2017 respectively)	3,582	5,125
Lease pool equipment sales	700	6,139
Total cost of sales	6,368	15,239
Gross profit	1,245	3,194
Operating expenses:
Selling, general and administrative	5,630	4,804
Research and development	370	98
Provision for doubtful accounts	200	0
Depreciation and amortization	617	581
Total operating expenses	6,817	5,483
Operating loss	(5,572)	(2,289)
Other income (expense):
Interest, net	18	(46)
Other, net	86	(101)
Total other income (expense)	104	(147)
Loss before income taxes	(5,468)	(2,436)
Provision for income taxes	(437)	(229)
Net loss	(5,905)	(2,665)
Preferred stock dividends	(385)	(194)
Net loss available to common shareholders	$ (6,290)	$ (2,859)
Net loss per common share:
Basic (in dollars per share)	$ (0.52)	$ (0.24)
Diluted (in dollars per share)	$ (0.52)	$ (0.24)
Shares used in computing net loss per common share:
Basic (in shares)	12,087	12,078
Diluted (in shares)	12,087	12,078