NET (LOSS) INCOME PER COMMON SHARE (Tables)

6 Months Ended

Jun. 30, 2015

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The following table is a reconciliation of net (loss) income and the shares used in calculating basic and diluted net (loss) income per common share for the three and six months ended June 30, 2015 and 2014 (in thousands, except share and per share data):

	Three Months Ended June 30,					Six Months ended June 30,
	2015			2014		2015			2014
Numerator:
Net (loss) income	$	(11,771	)	$	20,422	$	(10,457	)	$	24,443
Denominator:
Weighted average common shares outstanding – Basic	46,388,218			46,266,142		45,840,599			46,222,146
Effect of dilutive shares:
Common stock equivalents arising from stock options and ESPP	—			249,618		—			262,434
Restricted stock awards and units and performance units	—			98,966		—			148,402
Weighted average common shares outstanding – Diluted	46,388,218			46,614,726		45,840,599			46,632,982
Net (loss) income per common share:
Basic	$	(0.25	)	$	0.44	$	(0.23	)	$	0.53
Diluted	$	(0.25	)	$	0.44	$	(0.23	)	$	0.52