Net Loss Per Common Share (Tables)

9 Months Ended

Sep. 30, 2020

Earnings Per Share [Abstract]

Schedule of Outstanding Options Excluded from Computation of Diluted Loss Per Share

Outstanding options excluded from the calculation of diluted loss per share for the three and nine months ended September 30, 2020 and 2019 are shown in the chart below:

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2020		2019		2020		2019
Outstanding options to purchase common stock		1,899		1,781		1,899		1,781