Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended
		Mar. 31, 2025	Mar. 31, 2024
Revenue:
Revenue		$ 9,368	$ 9,938
Cost of revenue:
Amortization expense on acquired intangible assets		1,132	1,140
Total cost of revenue		3,283	3,726
Gross profit		6,085	6,212
Operating expenses:
Sales and marketing		5,078	5,536
Research, development and engineering		7,634	6,741
General and administrative		5,181	4,520
Amortization expense on acquired intangible assets		271	272
Total operating expenses		18,164	17,069
Operating loss		(12,079)	(10,857)
Other income, net		369	528
Loss before income taxes		(11,710)	(10,329)
Provision for income taxes		(20)	(9)
Net loss		$ (11,730)	$ (10,338)
Loss per share:
Loss per share — basic (in dollars per share)		$ (0.55)	$ (0.5)
Loss per share — diluted (in dollars per share)		$ (0.55)	$ (0.5)
Weighted average shares outstanding — basic (in shares)		21,521	20,730
Weighted average shares outstanding — diluted (in shares)		21,521	20,730
Comprehensive loss:
Unrealized gain (loss) on marketable securities, net of tax of $0		$ (11)	$ (31)
Foreign currency translation adjustment, net of tax of $0		679	(372)
Other comprehensive income (loss)		668	(403)
Net loss		(11,730)	(10,338)
Comprehensive loss		(11,062)	(10,741)
Subscription [Member]
Revenue:
Revenue		5,314	5,762
Cost of revenue:
Cost of revenue	[1]	744	747
Service [Member]
Revenue:
Revenue		4,054	4,176
Cost of revenue:
Cost of revenue	[1]	$ 1,407	$ 1,839

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