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Summary of Significant Accounting Policies, Fair Value Measurements (Q3) (Details) - Recurring [Member] - Money Market Funds [Member] - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Dec. 31, 2020
Fair Value Measurements [Abstract]      
Fair value assets $ 25,062 $ 9,648 $ 16,829
Level 1 [Member]      
Fair Value Measurements [Abstract]      
Fair value assets 25,062 9,648 16,829
Level 2 [Member]      
Fair Value Measurements [Abstract]      
Fair value assets 0 0 0
Level 3 [Member]      
Fair Value Measurements [Abstract]      
Fair value assets $ 0 $ 0 $ 0