Net Loss Per Common Share (Tables)

9 Months Ended

Sep. 30, 2015

Earnings Per Share [Abstract]

Schedule of Potentially Dilutive Securities Excluded from Computation of Diluted Weighted Average Shares

The potential dilutive effect of these securities is shown in the chart below:

	As of September 30,
(in thousands)	2015		2014
Options to purchase common stock		19,436		20,547
Common stock warrants		370		2,402
Conversion premium on the Notes		25,000		25,000