Consolidated Statements of Operations and Comprehensive Loss - USD ($) shares in Thousands, $ in Thousands		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023
Revenue:
Revenue		$ 38,418	$ 34,851
Cost of revenue:
Amortization expense on acquired intangible assets		4,592	4,459
Total cost of revenue		14,179	14,686
Gross profit		24,239	20,165
Operating expenses:
Sales and marketing		21,167	22,409
Research, development and engineering		26,209	26,577
General and administrative		17,073	18,071
Amortization expense on acquired intangible assets		1,097	1,065
Impairment of lease right of use assets and leasehold improvements		0	250
Total operating expenses		65,546	68,372
Operating loss		(41,307)	(48,207)
Other income, net		2,341	2,452
Loss before income taxes		(38,966)	(45,755)
Provision for income taxes		(44)	(204)
Net loss		$ (39,010)	$ (45,959)
Loss per share:
Loss per share — basic (in dollars per share)		$ (1.83)	$ (2.26)
Loss per share — diluted (in dollars per share)		$ (1.83)	$ (2.26)
Weighted average shares outstanding — basic (in shares)		21,261	20,322
Weighted average shares outstanding — diluted (in shares)		21,261	20,322
Comprehensive loss:
Unrealized gain (loss) on marketable securities, net of tax of $0		$ (13)	$ 138
Foreign currency translation adjustment, net of tax of $0		(406)	1,661
Other comprehensive income (loss)		(419)	1,799
Net loss		(39,010)	(45,959)
Comprehensive loss		(39,429)	(44,160)
Subscription [Member]
Revenue:
Revenue		22,418	18,973
Cost of revenue:
Cost of revenue	[1]	2,959	2,975
Service [Member]
Revenue:
Revenue		16,000	15,878
Cost of revenue:
Cost of revenue	[1]	$ 6,628	$ 7,252

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