Quarterly report pursuant to Section 13 or 15(d)

Warrants (Tables)

v3.21.1
Warrants (Tables)
3 Months Ended
Mar. 31, 2021
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Activity of Warrants
The following summarizes the Company's outstanding warrants to purchase shares of the Company's common stock as of and for the periods ending March 31, 2021 and December 31, 2020:
Warrants Exercise Price
Warrants outstanding as of December 31, 2019 16,981,854  $ 3.23 
Issued 49,928,469  $ 0.77 
Exercised (1,937,690) $ 0.58 
Terminated/Expired (5,470,655) $ 3.07 
Warrants outstanding as of December 31, 2020 59,501,978  $ 1.22 
Issued 3,288,400  $ 1.45 
Exercised (1,839,275) $ 0.76 
Terminated/Expired (76,926) $ 0.65 
Warrants outstanding as of March 31, 2021 60,874,177  $ 1.18 
The following schedule shows the fair value of the warrant derivative liability as of March 31, 2021 and December 31, 2020, and the change in fair value during the periods ended March 31, 2021 and year ended December 31, 2020 (in thousands):
Warrant Derivative Liability
Balance as of December 31, 2019 $ 2,220 
Change in fair value of  warrant derivative liability (2,220)
Balance as of December 31, 2020 $ — 
Change in fair value of  warrant derivative liability (1)
— 
Balance as of March 31, 2021 $ — 
(1) All of the May Acquisition Warrants expired during January 2021.
The following schedule shows the fair value of the warrant liability upon issuance, and the change in fair value during the periods ended March 31, 2021 and December 31, 2020 (in thousands):
Warrant liability
Issuance of Series F warrants $ 14,952 
Change in fair value of  warrant liability 24,898 
Balance as of December 31, 2020 $ 39,850 
Change in fair value of warrant liability 6,483 
Balance as of March 31, 2021 $ 46,333 
Schedule of fair value measurement inputs
The following schedule shows the inputs used to measure the fair value of the warrant liability:
Warrant Liability March 31, 2021 December 31, 2020
Stock Price $1.44 $1.27
Exercise Price $0.75 $0.75
Expected remaining term (in years)
5.50 - 5.56
5.75 - 5.81
Volatility 67.5% 67.5%
Risk-free interest rate 1.1% 0.5%