Net Loss Per Share Attributable to Common Stockholders (Tables)

3 Months Ended

Mar. 31, 2020

Net Loss Per Share Attributable to Common Stockholders

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

	Three Months Ended
	March 31,
(In thousands, except share and per share data)	2020		2019
Net loss attributable to common shareholders (basic and diluted)	$	(8,416)	$	(8,304)
Shares used to compute net loss per common share, basic and diluted		15,141,906		493,202
Net loss per share attributable to common shareholders, basic and diluted	$	(0.56)	$	(16.84)

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

	March 31,	March 31,
	2020	2019
	(unaudited)
Options issued and outstanding	4,508,021	40,625
Inducement options issued and outstanding	74	2,984
Restricted stock units issued and outstanding	5,613	5,613
Warrants issued and outstanding	17,622,930	71,821
Series A convertible preferred stock	473,565	33,149,556
Series B convertible preferred stock	4,423,250	—
Series B-2 convertible preferred stock	1,431,460	—
Convertible debt	—	10,849
Total	28,464,913	33,281,448