Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Revenue:
Product sales	$ 1,249	$ 1,829	$ 5,184	$ 4,844
Royalties	2,133	2,232	6,113	6,852
Total Revenue:	3,382	4,061	11,297	11,696
Cost of revenue:
Product sales	814	941	2,696	2,384
Total Cost of revenue:	814	941	2,696	2,384
Gross profit	2,568	3,120	8,601	9,312
Operating expenses:
Selling, general and administrative	1,436	1,680	5,041	5,154
Research and development	636	1,029	2,033	2,894
Amortization of intangible assets	0	123	0	367
Restructuring	0	0	126	119
Total Operating expenses:	2,072	2,832	7,200	8,534
Income from continuing operations	496	288	1,401	778
Other, net	(27)	(9)	(27)	20
Income from continuing operations before income taxes	469	279	1,374	798
Income tax expense	0	(11)	4	13
Net income from continuing operations	469	290	1,370	785
Net loss from discontinued operations	0	(1,215)	0	(3,619)
Net income (loss)	$ 469	$ (925)	$ 1,370	$ (2,834)
Basic
Continuing operations	$ 0.09	$ 0.06	$ 0.27	$ 0.16
Discontinued operations	0	(0.24)	0	(0.72)
Net basic income (loss) per share	0.09	(0.18)	0.27	(0.56)
Diluted
Continuing operations	0.09	0.06	0.27	0.16
Discontinued operations	0	(0.24)	0	(0.72)
Net diluted earnings (loss) per share	$ 0.09	$ (0.18)	$ 0.27	$ (0.56)
Weighted average number of common shares outstanding:
Basic	5,059	5,015	5,043	5,007
Shares used in diluted net loss per common share calculations	5,068	5,015	5,045	5,007