CONSOLIDATED STATEMENTS OF OPERATIONS and COMPREHNSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenue:
Total revenue	$ 6,381	$ 3,015	$ 13,870	$ 11,945
Costs and expenses:
Cost of services and other revenue	410	282	1,033	920
Research and development	2,264	2,279	6,909	6,932
Selling and marketing	2,171	1,874	6,118	5,067
General and administrative	1,601	1,808	4,679	4,895
Fair value adjustment to contingent acquisition payment	(812)		(812)
Gain on sale of fixed assets		(5,672)		(5,672)
Total costs and expenses	5,634	571	17,927	12,142
Operating income (loss)	747	2,444	(4,057)	(197)
Interest income	397	155	982	228
Net income (loss)	$ 1,144	$ 2,599	$ (3,075)	$ 31
Net income (loss) per share - basic	$ 0.05	$ 0.12	$ (0.15)	$ 0
Net income (loss) per share - diluted	$ 0.05	$ 0.12	$ (0.15)	$ 0
Weighted-average shares – basic	21,049	21,725	21,017	21,674
Weighted-average shares – diluted	21,131	21,798	21,017	21,733
Other comprehensive income (loss):
Unrealized gain (loss) on available-for-sale securities	$ 43	$ (170)	$ 62	$ (170)
Comprehensive income (loss)	1,187	2,429	(3,013)	(139)
Software licenses
Revenue:
Total revenue	4,391	814	7,535	5,459
Software maintenance
Revenue:
Total revenue	1,889	1,786	5,491	5,267
Services and other
Revenue:
Total revenue	$ 101	$ 415	$ 844	$ 1,219