Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenue:
Revenue		$ 9,443	$ 8,994	$ 29,760	$ 25,567
Cost of revenue:
Cost of revenue		3,546	3,771	10,788	11,231
Gross profit		5,897	5,223	18,972	14,336
Operating expenses:
Sales and marketing		5,637	5,366	16,789	16,770
Research, development and engineering		6,488	6,308	19,873	20,295
General and administrative		4,861	4,433	13,695	13,412
Amortization expense on acquired intangible assets		280	272	823	800
Impairment of lease right of use assets and leasehold improvements		0	0	0	250
Total operating expenses		17,266	16,379	51,180	51,527
Operating loss		(11,369)	(11,156)	(32,208)	(37,191)
Other income, net		617	478	1,868	1,870
Loss before income taxes		(10,752)	(10,678)	(30,340)	(35,321)
Provision for income taxes		(2)	(45)	(22)	(65)
Net loss		$ (10,754)	$ (10,723)	$ (30,362)	$ (35,386)
Loss per share:
Loss per share — basic (in dollars per share)		$ (0.5)	$ (0.53)	$ (1.43)	$ (1.76)
Loss per share — diluted (in dollars per share)		$ (0.5)	$ (0.53)	$ (1.43)	$ (1.76)
Weighted average shares outstanding — basic (in shares)		21,435	20,217	21,187	20,158
Weighted average shares outstanding — diluted (in shares)		21,435	20,217	21,187	20,158
Comprehensive loss:
Unrealized gain (loss) on marketable securities, net of tax of $0		$ 6	$ 0	$ (11)	$ 144
Foreign currency translation adjustment, net of tax of $0		1,591	(983)	1,314	383
Other comprehensive income (loss)		1,597	(983)	1,303	527
Net loss		(10,754)	(10,723)	(30,362)	(35,386)
Comprehensive loss		(9,157)	(11,706)	(29,059)	(34,859)
Subscription [Member]
Revenue:
Revenue		5,252	4,811	17,394	13,374
Cost of revenue:
Cost of revenue	[1]	735	698	2,205	2,264
Service [Member]
Revenue:
Revenue		4,191	4,183	12,366	12,193
Cost of revenue:
Cost of revenue	[1]	1,638	1,938	5,138	5,621
Amortization Expense On Acquired Intangible Assets [Member]
Cost of revenue:
Cost of revenue		$ 1,173	$ 1,135	$ 3,445	$ 3,346

[1] Cost of revenue for Subscription and Service excludes Amortization expense on acquired intangible assets.