Revenues - Schedule of Revenues on Disaggregated Basis (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Disaggregation Of Revenue [Line Items]
Revenues	$ 5,140	$ 10,338	$ 10,938	$ 21,268
License and service fees
Disaggregation Of Revenue [Line Items]
Revenues	761	878	1,538	1,878
Hosted environment usage fees
Disaggregation Of Revenue [Line Items]
Revenues	531	735	1,196	1,560
Cloud based usage fees
Disaggregation Of Revenue [Line Items]
Revenues	3,645	8,506	7,670	17,183
Consulting services and other
Disaggregation Of Revenue [Line Items]
Revenues	$ 203	$ 219	$ 534	$ 647