Annual report pursuant to Section 13 and 15(d)

Subsequent Events (Details)

v3.20.1
Subsequent Events (Details) - Subsequent Event
$ / shares in Units, $ in Millions
1 Months Ended
Feb. 29, 2020
USD ($)
$ / shares
shares
Subscription Agreements with Certain Institutional Investors, Warrant  
Subsequent Event [Line Items]  
Class of warrants aggregate amounts (in shares) | shares 5,625,000
Initial exercise period 6 months
Exercise price of warrants to purchase common stock (in dollars per share) | $ / shares $ 1.05
Warrant term 5 years
February 2020 Offering  
Subsequent Event [Line Items]  
Shares of common stock sold (in shares) | shares 7,500,000
Purchase price (in dollars per share) | $ / shares $ 0.80
Consideration received | $ $ 6.0