Revenue Recognition - Schedule of Revenue by Contract Type (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation of Revenue [Line Items]
Total revenue	$ 3,015	$ 4,175	$ 11,945	$ 12,857
License and Service Contracts
Disaggregation of Revenue [Line Items]
Total revenue	814	2,197	5,459	6,287
Operating Segments
Disaggregation of Revenue [Line Items]
Total revenue	3,015	4,175	11,945	12,857
Operating Segments | License and Service Contracts
Disaggregation of Revenue [Line Items]
Total revenue	2,571	3,114	9,787	10,675
Operating Segments | Subscription-based Contracts
Disaggregation of Revenue [Line Items]
Total revenue	$ 444	$ 1,061	$ 2,158	$ 2,182