XML 52 R35.htm IDEA: XBRL DOCUMENT v3.22.1
Basis of Presentation and Significant Accounting Policies - Narrative (Details)
3 Months Ended 12 Months Ended
Dec. 31, 2021
USD ($)
Dec. 31, 2021
USD ($)
segment
Dec. 31, 2020
USD ($)
Finite-Lived Intangible Assets [Line Items]      
Number of segment | segment   1  
Restricted cash and cash equivalents $ 100,000 $ 100,000 $ 100,000
In-process research and development impairment charge   5,700,000 0
Goodwill impairment   0 0
Interest or penalties 0 $ 0 0
Restricted stock units      
Finite-Lived Intangible Assets [Line Items]      
Vesting percentage   25.00%  
Award vesting period   4 years  
IPR&D      
Finite-Lived Intangible Assets [Line Items]      
In-process research and development impairment charge 5,700,000    
Corporate Credit Cards      
Finite-Lived Intangible Assets [Line Items]      
Restricted cash and cash equivalents $ 100,000 $ 100,000 $ 100,000