Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies - Schedule of Anti-dilutive Securities Excluded from Computation of Earnings Per Share (Details)

v3.21.1
Significant Accounting Policies - Schedule of Anti-dilutive Securities Excluded from Computation of Earnings Per Share (Details) - shares
 3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Total potentially dilutive shares 6,908,194 1,239,342
Stock Options [Member]    
Total potentially dilutive shares 20
Restricted Stock Units [Member]    
Total potentially dilutive shares 394,680
Warrants to Purchase Common Stock [Member]    
Total potentially dilutive shares 5,463,032 123,645
Pre-Funded Warrants to Purchase Common Stock [Member]    
Total potentially dilutive shares 986,486 15,000
Series D Convertible Preferred Stock [Member]    
Total potentially dilutive shares 36,496 105,677
Warrants to Purchase Series C Preferred Stock [Member]    
Total potentially dilutive shares 27,500 995,000