Consolidated Statements of Operations and Comprehensive Loss - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Revenue:
Revenue	$ 34,851	$ 30,197
Cost of revenue:
Cost of revenue	14,686	14,874
Gross profit	20,165	15,323
Operating expenses:
Sales and marketing	22,409	29,718
Research, development and engineering	26,577	26,490
General and administrative	18,071	18,945
Amortization expense on acquired intangible assets	1,065	1,064
Impairment of lease right of use assets and leasehold improvements	250	915
Total operating expenses	68,372	77,132
Operating loss	(48,207)	(61,809)
Other income, net	2,452	2,108
Loss before income taxes	(45,755)	(59,701)
Provision for income taxes	(204)	(97)
Net loss	$ (45,959)	$ (59,798)
Loss per share:
Loss per share — basic (in dollars per share)	$ (2.26)	$ (3.12)
Loss per share — diluted (in dollars per share)	$ (2.26)	$ (3.12)
Weighted average shares outstanding — basic (in shares)	20,322	19,140
Weighted average shares outstanding — diluted (in shares)	20,322	19,140
Comprehensive loss:
Unrealized gain (loss) on marketable securities, net of tax of $0	$ 138	$ (144)
Foreign currency translation adjustment, net of tax of $0	1,661	(4,219)
Other comprehensive income (loss)	1,799	(4,363)
Net loss	(45,959)	(59,798)
Comprehensive loss	(44,160)	(64,161)
Subscription [Member]
Revenue:
Revenue	18,973	15,219
Cost of revenue:
Cost of revenue	2,975	3,878
Service [Member]
Revenue:
Revenue	15,878	14,978
Cost of revenue:
Cost of revenue	7,252	6,557
Amortization Expense On Acquired Intangible Assets [Member]
Cost of revenue:
Cost of revenue	$ 4,459	$ 4,439