Net Loss Per Common Share (Tables)

12 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Schedule of Shares Outstanding Excluded from Computation of Earnings Per Share

The shares outstanding at the end of the respective periods presented below were excluded from the calculation of diluted net loss per share due to their anti-dilutive effect:

	December 31, 2020	December 31, 2019	December 31, 2018
Warrants for common stock	—	—	8,230
Common shares under option	4,176,518	4,677,929	5,303,723
Unvested RSUs	401,234	245,966	37,475
Shares issuable related to the ESPP	16,828	—	—
Shares issuable upon conversion of convertible notes	8,460,237	—	—
Total potential dilutive shares	13,054,817	4,923,895	5,349,428