Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Tables)

Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2020
Accounting Policies [Abstract]  
Schedule of Warrants Liabilities Measured at Fair Value Using Significant Unobservable Inputs

The table below provides a reconciliation of the beginning and ending balances for the warrant derivative which is measured at fair value using significant unobservable inputs (Level 3):


Balance, January 1, 2019   $ 23,507,247  
Series B Warrants exercised or expired during the three months ended March 31, 2019     (14,584,371 )
Series B Warrants exchanged for Series C Preferred Stock     (3,671,024 )
Change in the fair value of warrant derivative     (5,251,852 )
Balance, December 31, 2019   $ -  

Schedule of Potential Dilutive Securities

Potentially dilutive securities that are not included in the calculation of diluted net loss per share because their effect is anti-dilutive are as follows (in common equivalent shares):


    Year Ended  
    December 31, 2020     December 31, 2019  
Preferred shares     -       704,300  
Warrants     21,925,102       1,144,988  
Options and restricted stock units     203,135       106,342  
Series A and Series B Notes     -       560,275  
Total anti-dilutive weighted average shares     22,128,237       2,515,905