Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2016	Jul. 31, 2015	Jul. 31, 2016	Jul. 31, 2015
Revenue
Cost of revenue	(472)		(472)
Gross profit	472		472
Selling, general and administrative expenses	280	242	464	553
Engineering and support expenses	80	48	260	48
	360	290	724	601
Operating income (loss)	112	(290)	(252)	(601)
Other income, net	16	25	1,704	25
Income (loss) from operations before income taxes	128	(265)	1,452	(576)
Income tax expense
Net income (loss)	$ 128	$ (265)	$ 1,452	$ (576)
Basic net income (loss) per share (in dollars per share)	$ 0.01	$ (0.02)	$ 0.10	$ (0.04)
Diluted net income (loss) per share (in dollars per share)	$ 0.01	$ (0.02)	$ 0.10	$ (0.04)
Weighted-average shares outstanding:
Weighted-average shares outstanding-Basic (in shares)	14,644	14,644	14,644	14,659
Diluted (in shares)	14,644	14,644	14,644	14,659