CONSOLIDATED STATEMENTS OF OPERATIONS and COMPREHNSIVE LOSS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenue:
Total revenue	$ 3,184	$ 4,238	$ 7,490	$ 8,930
Costs and expenses:
Cost of services and other revenue	325	324	623	638
Research and development	2,265	2,229	4,646	4,653
Selling and marketing	1,956	1,412	3,947	3,193
General and administrative	1,574	1,626	3,079	3,086
Total costs and expenses	6,120	5,591	12,295	11,570
Operating loss	(2,936)	(1,353)	(4,805)	(2,640)
Interest income	284	64	585	73
Net loss	$ (2,652)	$ (1,289)	$ (4,220)	$ (2,567)
Net loss per share - basic	$ (0.13)	$ (0.06)	$ (0.2)	$ (0.12)
Net loss per share - diluted	$ (0.13)	$ (0.06)	$ (0.2)	$ (0.12)
Weighted-average shares – basic	20,968	21,655	21,001	21,649
Weighted-average shares – diluted	20,968	21,655	21,001	21,649
Other comprehensive loss, net of tax:
Unrealized loss on available-for-sale securities	$ (128)		$ (91)
Comprehensive income (loss)	(2,780)	$ (1,289)	(4,311)	$ (2,567)
Software licenses
Revenue:
Total revenue	1,039	2,018	3,145	4,646
Software maintenance
Revenue:
Total revenue	1,767	1,819	3,602	3,481
Services and other
Revenue:
Total revenue	$ 378	$ 401	$ 743	$ 803