Quarterly report pursuant to Section 13 or 15(d)

Warrants - Schedule of Warrants Issued and Outstanding (Details)

v3.21.1
Warrants - Schedule of Warrants Issued and Outstanding (Details) - $ / shares
 3 Months Ended 12 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Class Of Warrant Or Right [Line Items]    
Number of warrant shares 29 29
Issuance Date, November 2012 Tranche One    
Class Of Warrant Or Right [Line Items]    
Exercise price $ 6.03 $ 6.03
Number of warrant shares 7 7
Year of expiration 2028 2028
Issuance Date, November 2012 Tranche Two    
Class Of Warrant Or Right [Line Items]    
Exercise price $ 14.50 $ 14.50
Number of warrant shares 22 22
Year of expiration 2028 2028