Loss per Common Share (Tables)

12 Months Ended

Dec. 31, 2019

Earnings Per Share [Abstract]

Computation of Basic and Diluted Loss per Common Share

The following table sets forth the computation of basic and diluted loss per common share for the periods presented (in thousands, except per share amounts):

	Year Ended December 31,
	2019			2018
Numerator:
Net loss—basic and diluted	$	(23,330	)	$	(26,615	)
Denominator:
Weighted-average common shares outstanding—basic and diluted		87,129			35,582
Net loss per common share:
Basic and Diluted	$	(0.27	)	$	(0.75	)

Schedule of Potential Common Shares Issuable Pursuant to Outstanding Securities Excluded from Computation of Diluted Loss per Common Share

The following table represents the potential common shares issuable pursuant to outstanding securities as of the related period end dates that were excluded from the computation of diluted loss per common share because their inclusion would have had an anti-dilutive effect (in thousands):

	As of December 31,
	2019		2018
Warrants to purchase shares of common stock		218		218
Convertible preferred stock		19,714		6,331
Options to purchase shares of common stock		5,156		4,160
Outstanding securities not included in calculations		25,088		10,709