NET LOSS PER SHARE (Tables)

9 Months Ended

Sep. 30, 2016

NET LOSS PER SHARE

Schedule of calculation of basic and diluted earnings per common share

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands, except for per share amounts)	2016		2015		2016		2015
Basic and diluted net loss per share
Net loss	$	(12,894)	$	(11,785)	$	(44,352)	$	(45,070)
Denominator		61,422		60,320		61,163		59,961
Basic and diluted net loss per share	$	(0.21)	$	(0.20)	$	(0.73)	$	(0.75)

Schedule of antidilutive securities excluded from computation of diluted net income per share

	September 30,	September 30,
(in thousands)	2016	2015
Convertible debt	17,931	17,931
Stock options and restricted stock units	9,482	8,366
Total potentially dilutive common shares	27,413	26,297