Revenues - Disaggregation of Revenues (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021
Disaggregation Of Revenue [Line Items]
Revenues		$ 20,019	$ 24,420
Subscriptions [Member]
Disaggregation Of Revenue [Line Items]
Revenues		12,722	15,648
Strategic Agreements [Member]
Disaggregation Of Revenue [Line Items]
Revenues		7,297	8,772
United States of America [Member]
Disaggregation Of Revenue [Line Items]
Revenues		15,867	18,817
United Kingdom [Member]
Disaggregation Of Revenue [Line Items]
Revenues		2,272	2,851
Other [Member]
Disaggregation Of Revenue [Line Items]
Revenues	[1]	$ 1,880	$ 2,752

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