Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Revenue:
Product sales	$ 1,614	$ 1,216
Royalties	1,624	2,011
[SalesRevenueNet]	3,238	3,227
Cost of revenue:
Product sales	918	587
[CostOfRevenue]	918	587
Gross profit	2,320	2,640
Operating expenses:
Selling, general and administrative	1,689	1,744
Research and development	794	906
Amortization of intangible assets		122
Restructuring	126	119
[OperatingExpenses]	2,609	2,891
Operating loss from continuing operations	(289)	(251)
Other, net	(1)	(1)
Loss from continuing operations before income taxes	(290)	(252)
Income tax expense	2	16
Net loss from continuing operations	(292)	(268)
Net loss from discontinued operations, net of tax		(899)
Net loss	$ (292)	$ (1,167)
Basic
Continuing operations (in dollars per share)	$ (0.06)	$ (0.05)
Discontinued operations (in dollars per share)		(0.18)
Net basic loss per share (in dollars per share)	(0.06)	(0.23)
Diluted
Continuing operations (in dollars per share)	(0.06)	(0.05)
Discontinued operations (in dollars per share)		(0.18)
Net diluted loss per share (in dollars per share)	$ (0.06)	$ (0.23)
Weighted average number of common shares outstanding:
Basic (in shares)	5,030,000	4,999,000
Diluted (in shares)	5,030,000	4,999,000