Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Revenue:
Product sales	$ 2,321	$ 1,798	$ 3,935	$ 3,014
Royalties	2,356	2,609	3,980	4,620
Total Revenue:	4,677	4,407	7,915	7,634
Cost of revenue:
Product sales	964	856	1,882	1,443
Total Cost of revenue:	964	856	1,882	1,443
Gross profit	3,713	3,551	6,033	6,191
Operating expenses:
Selling, general and administrative	1,916	1,836	3,605	3,580
Research and development	603	959	1,397	1,865
Amortization of intangible assets	0	123	0	245
Restructuring	0	0	126	119
Total Operating expenses:	2,519	2,918	5,128	5,809
Operating income from continuing operations	1,194	633	905	382
Other, net	1	30	0	29
Income from continuing operations before income taxes	1,195	663	905	411
Income tax expense	2	8	4	24
Net income from continuing operations	1,193	655	901	387
Net loss from discontinued operations, net of tax	0	(1,397)	0	(2,296)
Net income (loss)	$ 1,193	$ (742)	$ 901	$ (1,909)
Basic
Continuing operations	$ 0.24	$ 0.13	$ 0.18	$ 0.08
Discontinued operations	0	(0.28)	0	(0.46)
Net basic income (loss) per share	0.24	(0.15)	0.18	(0.38)
Diluted
Continuing operations	0.24	0.13	0.18	0.08
Discontinued operations	0	(0.28)	0	(0.46)
Net diluted income (loss) per share	$ 0.24	$ (0.15)	$ 0.18	$ (0.38)
Weighted average number of common shares outstanding:
Basic	5,041	5,008	5,035	5,003
Diluted	5,041	5,008	5,035	5,003