Long-Term Obligations (Tables)

6 Months Ended

Jun. 30, 2013

Long Term Obligations

The Company’s long-term obligations at June 30, 2013 and December 31, 2012 consist of the following:

	June 30, 2013		December 31, 2012
	(In thousands)
Senior secured notes due 2019 (2019 Notes)	$	132,271	$	125,827
4.75% convertible notes due 2018 (2018 Convertible Notes)		99,053		97,087
Capital leases		202		233
		231,526		223,147
Less-current portion of capital leases		59		60
Total	$	231,467	$	223,087

Principal Balance Unamortized Discount and Net Carrying Amount

The principal balance, unamortized discount and net carrying amount of the 2019 Notes and 2018 Convertible Notes at June 30, 2013 and December 31, 2012 are as follows:

	Liability Component (In thousands)
	Principal Balance		Unamortized Discount		Net Carrying Amount
June 30, 2013
Senior secured notes due 2019	$	170,941	$	38,670	$	132,271
4.75% convertible notes due 2018		122,441		23,388		99,053
	$	293,382	$	62,058	$	231,324
December 31, 2012
Senior secured notes due 2019	$	170,941	$	45,114	$	125,827
4.75% convertible notes due 2018		122,441		25,354		97,087
	$	293,382	$	70,468	$	222,914

Total Interest Expense under Long Term Debt Obligations

Total interest expense under the Company’s long-term debt obligations for the three and six-month periods ended June 30, 2013 and 2012 is as follows:

	Three Months Ended June  30,				Six Months Ended June 30,
Total Interest Expense	2013		2012		2013		2012
Accretion of debt discount	$	4,280	$	2,852	$	8,410	$	4,505
Amortization of debt issue costs		217		114		430		287
Non-cash interest expense		4,497		2,966		8,840		4,792
Accrued interest		2,740		2,634		5,476		5,365
Total Interest Expense	$	7,237	$	5,600	$	14,316	$	10,157