Unaudited Condensed Consolidated Statements of Income (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Oct. 31, 2011	Oct. 31, 2010	Oct. 31, 2011	Oct. 31, 2010
Revenues:
Product licensing	$ 789	$ 2,827	$ 2,906	$ 4,381
Engineering services and maintenance				122
Total revenues	789	2,827	2,906	4,503
Cost of revenues:
Product licensing	41	826	619	1,134
Engineering services and maintenance		59		202
Total cost of revenues	41	885	619	1,336
Gross margin	748	1,942	2,287	3,167
Sales and marketing	29	49	93	377
General and administrative	490	749	1,710	2,252
	519	798	1,803	2,629
Income from operations	229	1,144	484	538
Other income, net	1,095	74	1,211	6,023
Income before income taxes	1,324	1,218	1,695	6,561
Provision for income taxes	467	492	626	2,617
Net income	$ 857	$ 726	$ 1,069	$ 3,944
Basic earnings per share (in Dollars per share)	$ 0.26	$ 0.04	$ 0.34	$ 0.25
Diluted earnings per share (in Dollars per share)	$ 0.25	$ 0.04	$ 0.32	$ 0.24
Weighted average common shares - outstanding — basic (in Shares)	3,286	16,174	3,191	16,047
Weighted average common shares - outstanding — diluted (in Shares)	3,494	16,459	3,375	16,328