Annual report pursuant to Section 13 and 15(d)

Revenue from Contracts with Customers (Narrative) (Details)

v3.22.0.1
Revenue from Contracts with Customers (Narrative) (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Revenue from Contract with Customer [Abstract]    
Amount of remaining upfront license fee $ 0.7 $ 0.8
Contract balances $ 9.9 $ 0.0