Net Loss Per Common Share (Tables)

12 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Schedule of Securities Excluded from Computation of Diluted Loss Per Share

The stock options are excluded from the calculation of diluted loss per share because the net loss for the years ended December 31, 2020 and 2019 causes such securities to be anti-dilutive. Securities excluded from the calculation of diluted loss per share are shown in the chart below:

	Years Ended December 31,
(in thousands)	2020		2019
Outstanding options to purchase common stock		1,862		1,924