Net (Loss) Income Per Common Share (Tables)

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

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

Outstanding securities excluded from the calculation of diluted loss per share for the three and six months ended June 30, 2018 and 2017 are shown in the chart below:

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2018		2017		2018		2017
Outstanding options to purchase common stock		1,943		1,892		1,943		1,892
Conversion of the Convertible Notes		—		1,216		—		1,216