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Subsequent Events (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended
Apr. 21, 2021
Apr. 02, 2021
Feb. 04, 2021
May 05, 2021
Mar. 31, 2021
Mar. 31, 2020
Subsequent Event [Line Items]            
Gross proceeds received         $ 18,181 $ 0
Private Placement            
Subsequent Event [Line Items]            
Shares authorized (in shares)     7,780,786      
Common Stock            
Subsequent Event [Line Items]            
Issuance of stock (in shares)         2,005,000 0
Gross proceeds received         $ 11,827 $ 0
Series B Preferred Stock            
Subsequent Event [Line Items]            
Shares exchanged/reclassified (in shares)         486,000  
Subsequent Event | Private Placement            
Subsequent Event [Line Items]            
Shares authorized (in shares) 35,000,000          
Issuance of stock (in shares) 280,957          
Gross proceeds received $ 1,500          
Subsequent Event | Common Stock            
Subsequent Event [Line Items]            
Shares exchanged/reclassified (in shares)       2,900,000    
Subsequent Event | Series B Preferred Stock            
Subsequent Event [Line Items]            
Series B Convertible Preferred Stock shares issued (in shares)       751,000    
Subsequent Event | Series E Preferred Stock            
Subsequent Event [Line Items]            
Shares exchanged/reclassified (in shares)   28,000,000        
Preferred stock, shares issued (in shares)       0    
Subsequent Event | Series M Preferred Stock            
Subsequent Event [Line Items]            
Shares exchanged/reclassified (in shares)   28,000,000        
Preferred stock, shares issued (in shares)       0