CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Revenue	$ 14,732	$ 14,561
Cost of revenue	3,129	2,786
Gross profit	11,603	11,775
Operating expenses:
Selling, marketing and product support	2,676	2,817
General and administrative	4,259	3,678
Research and development	2,836	3,284
Restructuring	2	144
Total Operating expenses:	9,773	9,923
Income from operations before income taxes	1,830	1,852
Income tax benefit	(5,165)	(10)
Net income	$ 6,995	$ 1,862
Net income per share:
Basic	$ 1.33	$ 0.36
Diluted	$ 1.33	$ 0.36
Weighted average number of common shares outstanding:
Basic	5,244	5,204
Diluted	5,268	5,221
Product sales
Revenue	$ 6,416	$ 5,644
Cost of revenue	2,762	2,419
Royalties
Revenue	8,316	8,917
Cost of revenue	$ 367	$ 367