CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Revenue:
Software licenses	$ 2,686	$ 2,774
Software maintenance	1,253	1,282
Services	374	419
Hardware		286
Royalties	34	73
Total revenue	4,347	4,834
Costs and expenses:
Cost of software licenses	247	243
Cost of services	216	213
Cost of hardware		205
Research and development	1,857	1,649
Selling and marketing	942	920
General and administrative	790	724
Total costs and expenses	4,052	3,954
Patent related income	91
Operating income	386	880
Interest income	83	67
Income before provision for income taxes	469	947
Provision for income taxes	64	312
Net income	$ 405	$ 635
Net income per share - basic (in dollars per share)	$ 0.02	$ 0.03
Net income per share - diluted (in dollars per share)	$ 0.02	$ 0.03
Weighted-average shares - basic (in shares)	22,255	22,993
Weighted-average shares - diluted (in shares)	22,321	23,005
Comprehensive income:
Net income	$ 405	$ 635
Other comprehensive income (net of tax):
Unrealized gains/(losses) on available for sale securities	28	(4)
Comprehensive income	$ 433	$ 631