CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Revenue	$ 14,561	$ 14,524
Cost of revenue	2,786	2,925
Gross profit	11,775	11,599
Operating expenses:
Selling, marketing and product support	2,817	2,486
General and administrative	3,678	3,981
Research and development	3,284	3,010
Restructuring	144	0
Total Operating expenses:	9,923	9,477
Operating income from operations	1,852	2,122
Other, net	0	41
Income from operations before income taxes	1,852	2,163
Income tax expense (benefit)	(10)	85
Net income	$ 1,862	$ 2,078
Net income per share:
Basic	$ 0.36	$ 0.41
Diluted	$ 0.36	$ 0.40
Weighted average number of common shares outstanding:
Basic	5,204	5,128
Diluted	5,221	5,136
Product sales
Revenue	$ 5,644	$ 5,919
Cost of revenue	2,419	2,563
Royalties
Revenue	8,917	8,605
Cost of revenue	$ 367	$ 362