Net Loss Per Share

3 Months Ended

Mar. 31, 2021

Net Loss Per Share

Net Loss Per Share

9.  Net Loss Per Share

Basic and diluted loss per share is computed by dividing net loss attributable to common stockholders by the weighted-average common shares outstanding.

The following potential common shares were excluded from the calculation of diluted net loss per share attributable to common stockholders for the three months ended March 31, 2021 and 2020 because including them would have had an anti-dilutive effect:

	Three Months Ended March 31,
	2021	2020
Warrants to purchase common stock	1,893,201	2,610,078
Options to purchase common stock	1,616,134	1,607,570
Common stock awards	—	20,000
Total	3,509,335	4,237,648