Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Stockholder Rights Plan (Details)

v3.20.2
Stock-Based Compensation - Stockholder Rights Plan (Details)
May 07, 2019
May 06, 2019
Vote
$ / shares
Sep. 30, 2020
$ / shares
Mar. 31, 2020
$ / shares
Stockholder Rights Plan        
Common stock, par value (in dollars per share)     $ 0.001 $ 0.001
Preferred stock, par value (in dollars per share)     $ 0.001 $ 0.001
Series B Junior Participating Preferred Stock        
Stockholder Rights Plan        
Preferred share purchase right ratio   1    
Preferred stock conversion basis   0.001    
Purchase price (in dollars per share)   $ 5.22    
Preferred stock dividend minimum if declared   $ 1.00    
Preferred stock rights ratio over common stock   1,000    
Number of votes per share | Vote   1,000    
Ratio of consideration received in event of conversion or exchange transaction   1,000    
Beneficial ownership of common stock (as a percent) 4.90% 4.90%