Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 30, 2019	Apr. 30, 2018
Revenues:
Sale of marine technology products	$ 5,977	$ 3,566
Equipment leasing	3,323	2,697
Sale of lease pool equipment and other equipment	557	1,350
Total revenues	9,857	7,613
Cost of sales:
Sale of marine technology products	3,455	2,086
Equipment leasing (including lease pool depreciation of $1,446 and $2,654 at April 30, 2019 and 2018 respectively,	2,411	3,582
Equipment sales	250	700
Total cost of sales	6,116	6,368
Gross profit	3,741	1,245
Operating expenses:
Selling, general and administrative	5,232	5,630
Research and development	315	370
Provision for doubtful accounts	0	200
Depreciation and amortization	650	617
Total operating expenses	6,197	6,817
Operating loss	(2,456)	(5,572)
Other income (expense):
Interest (expense) income, net	(11)	18
Other, net	107	86
Total other income	96	104
Loss before income taxes	(2,360)	(5,468)
Provision for income taxes	(55)	(437)
Net loss	(2,415)	(5,905)
Preferred stock dividends	(471)	(385)
Net loss attributable to common shareholders	$ (2,886)	$ (6,290)
Net loss per common share:
Basic (in usd per share)	$ (0.24)	$ (0.52)
Diluted (in usd per share)	$ (0.24)	$ (0.52)
Shares used in computing net loss per common share:
Basic (in shares)	12,119	12,087
Diluted (in shares)	12,119	12,087