Revenues - Disaggregation of Revenues (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022
Disaggregation Of Revenue [Line Items]
Revenues		$ 4,583	$ 5,161
Subscriptions [Member]
Disaggregation Of Revenue [Line Items]
Revenues		2,801	3,363
Strategic Agreements [Member]
Disaggregation Of Revenue [Line Items]
Revenues		1,782	1,798
United States of America [Member]
Disaggregation Of Revenue [Line Items]
Revenues		3,655	3,956
United Kingdom [Member]
Disaggregation Of Revenue [Line Items]
Revenues		546	631
Other [Member]
Disaggregation Of Revenue [Line Items]
Revenues	[1]	$ 382	$ 574

[1] No individual country within the “Other” category accounted for 10% or more of revenues for any period presented.