NET LOSS PER SHARE (Tables)

6 Months Ended

Jun. 30, 2017

NET LOSS PER SHARE

Schedule of calculation of basic and diluted earnings per common share

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands, except for per share amounts)	2017		2016		2017		2016
Basic and diluted net loss per share
Net loss	$	(26,659)	$	(10,541)	$	(53,400)	$	(31,458)
Denominator		62,532		61,166		62,331		61,032
Basic and diluted net loss per share	$	(0.43)	$	(0.17)	$	(0.86)	$	(0.52)

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

	June 30,	June 30,
(in thousands)	2017	2016
Convertible debt	17,931	17,931
Stock options and equivalents	8,215	9,645
Total potentially dilutive common shares	26,146	27,576