LONG TERM DEBT (Tables)

6 Months Ended

Jun. 30, 2013

LONG TERM DEBT

Schedule of debt

The following table summarizes information on the debt (in thousands) as of:

	June 30, 2013
Convertible Senior Notes due 2020:
Fair value of the liability component	$	154,738
Accumulated accretion of discount	1,482
Net carrying value	$	156,220
Senior Secured Notes due 2018:
Carrying value	$	50,000
Total Notes:
Fair value of the liability component	$	204,738
Accumulated accretion of discount	1,482
Net carrying amount	$	206,220