Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Offerings of Common Stock and Warrants - Common Stock Offering (Details)

v3.22.2
Stockholders' Equity - Offerings of Common Stock and Warrants - Common Stock Offering (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 12 Months Ended
Mar. 31, 2021
Mar. 31, 2022
Mar. 19, 2021
Jun. 07, 2018
Sale of Stock        
Common stock, par value (in dollars per share) $ 0.001 $ 0.001    
At-the-market Offering Program        
Sale of Stock        
Aggregate offering price for at-the-market offering program     $ 50.0 $ 25.0
Common stock sold (in shares) 0.1      
Net proceeds from sale of the common stock, after deducting fees and other offering expenses $ 0.7      
Common stock commissions paid $ 26,000.0      
Aggregate offering price for at-the-market offering program, available for issuance   $ 49.3