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Acquisitions (Details) - USD ($)
$ in Thousands
Apr. 21, 2021
Mar. 31, 2022
Dec. 31, 2021
Mar. 31, 2021
Dec. 31, 2020
Business Acquisition [Line Items]          
Goodwill   $ 221 $ 221   $ 0
2Predict, Inc.          
Business Acquisition [Line Items]          
Purchase price $ 1,400        
Cash paid $ 200        
Number of shares issued (in shares) 182,188        
Equity issued $ 1,200        
Net assets acquired 1,400        
Definite-lived intangible assets 1,200        
Finite-lived intangibles, amortization 600 $ 200 $ 600 $ 0 $ 0
Goodwill $ 200        
Definite-lived intangible asset, useful life 1 year 6 months