Net Loss Per Share of Common Stock - Potentially dilutive securities have been excluded from the computation of diluted weighted average shares outstanding (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Earnings Per Share
Potentially dilutive securities outstanding excluded from the computation of diluted weighted average shares outstanding	12,194,058	5,138,294	12,194,058	5,138,294
Options to purchase common stock
Earnings Per Share
Potentially dilutive securities outstanding excluded from the computation of diluted weighted average shares outstanding	10,518,263	4,268,277	10,518,263	4,268,277
RSUs
Earnings Per Share
Potentially dilutive securities outstanding excluded from the computation of diluted weighted average shares outstanding	179,051	0	179,051	0
Warrants
Earnings Per Share
Potentially dilutive securities outstanding excluded from the computation of diluted weighted average shares outstanding	946,179	870,017	946,179	870,017
Series A Preferred Stock
Earnings Per Share
Potentially dilutive securities outstanding excluded from the computation of diluted weighted average shares outstanding	3,115	0	3,115	0
Series B Preferred Stock
Earnings Per Share
Potentially dilutive securities outstanding excluded from the computation of diluted weighted average shares outstanding	547,450	0	547,450	0