NET LOSS PER SHARE (Tables)

9 Months Ended

Sep. 30, 2017

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)	2017		2016		2017		2016
Basic and diluted net loss per share
Net loss	$	(15,992)	$	(12,894)	$	(69,392)	$	(44,352)
Denominator		62,997		61,422		62,556		61,163
Basic and diluted net loss per share	$	(0.25)	$	(0.21)	$	(1.11)	$	(0.73)

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

	September 30,	September 30,
(in thousands)	2017	2016
Convertible debt	17,931	17,931
Stock options and equivalents	7,393	9,482
Total potentially dilutive common shares	25,324	27,413