Net Loss Per Common Share (Tables)

12 Months Ended

Dec. 31, 2015

Net Loss Per Common Share

Schedule of anti-dilutive shares

        The following table presents anti-dilutive shares for the years ended December 31, 2015, 2014 and 2013 (in thousands):

	2015		2014		2013
Weighted-average anti-dilutive shares related to:
Outstanding stock options		4,148		5,941		4,492
Restricted stock awards		519		847		929