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Subsequent Event (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
May 14, 2021
Mar. 31, 2022
Apr. 04, 2022
Dec. 31, 2020
Subsequent Event [Line Items]        
Exercise price   $ 0.01   $ 0.01
Term Loan Credit Agreement | Second Amendment        
Subsequent Event [Line Items]        
Line of credit facility, increase amount $ 16,000      
Line of credit facility current amount 56,000      
Line of credit contingent amount $ 16,000      
Repay of additional loan   $ 0    
Subsequent Event | Warrant        
Subsequent Event [Line Items]        
Exercise price     $ 0.01  
Warrants term     10 years