Annual report pursuant to Section 13 and 15(d)

Net Loss Per Share of Common Stock - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share (Details)

v3.21.1
Net Loss Per Share of Common Stock - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share (Details) - shares
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Antidilutive securities excluded from computation of earnings per share 816,513 780,391
Unvested Restricted Stock Awards, Stock Options and Purchase Warrants [Member]    
Antidilutive securities excluded from computation of earnings per share 816,513 719,508
2019 Senior Notes, Plus Related Accrued Interest [Member]    
Antidilutive securities excluded from computation of earnings per share 60,883