Net Loss Per Share Attributable to Common Stockholders (Tables)

12 Months Ended

Dec. 31, 2019

Net Loss Per Share Attributable to Common Stockholders

Schedule of calculation of basic and diluted net income (loss) per common share

	Year Ended
	December 31,
	2019		2018
Net loss attributable to common shareholders (basic and diluted)	$	(44,726,242)	$	(32,146,057)
Shares used to compute net loss per common share, basic and diluted		4,965,337		209,729
Net loss per share attributable to common shareholders, basic and diluted	$	(9.01)	$	(153.27)

Schedule of common stock equivalents excluded from the calculation of diluted net loss per common share

	December 31,	December 31,
	2019	2018
Options issued and outstanding	3,902,675	42,059
Restricted stock unit awards issued and outstanding	5,613	5,613
Warrants issued and outstanding	19,421,892	34,682
Series A convertible preferred stock	473,565	47,357
Series B convertible preferred stock	985,500	—
Series B-2 convertible preferred stock	1,931,350	—
Total	26,720,595	129,711