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Subsequent Events (Details) - $ / shares
Apr. 15, 2020
Mar. 31, 2020
Subsequent Event [Line Items]    
Class of warrant or right, exercise price of warrants or rights (in dollars per share)   $ 12
Subsequent Event | Board of Directors | Common Stock    
Subsequent Event [Line Items]    
Purchase right, number of shares called by each right (in shares) 1  
Class of warrant or right, exercise price of warrants or rights (in dollars per share) $ 0.001  
Subsequent Event | Series C Junior Participating Preferred Stock    
Subsequent Event [Line Items]    
Purchase right issued per share of common stock (in shares) 1  
Purchase right, number of shares called by each right (in shares) 0.001  
Class of warrant or right, exercise price of warrants or rights (in dollars per share) $ 31.50  
Subsequent Event | Minimum | Series C Junior Participating Preferred Stock    
Subsequent Event [Line Items]    
Purchase right, beneficial owner threshold, percentage 15.00%