Long-term Debt (Tables)

9 Months Ended

Sep. 30, 2014

Outstanding Convertible Note Balances

The outstanding convertible note balances as of September 30, 2014 consisted of the following:

In thousands	September 30, 2014
Liability component:
Principal	$	200,000
Less: debt discount, net		45,009
Net carrying amount	$	154,991
Equity component	$	40,896

Total Interest Expense Recognized Related to Convertible Notes

September 30, 2014. The following table sets forth total interest expense recognized related to the convertible notes during the three-month and nine-month periods ended September 30, 2014:

In thousands	Three Months Ended September 30, 2014		Nine Months Ended September 30, 2014
Contractual interest expense	$	1,812	$	2,074
Amortization of debt discount		1,872		2,141
Amortization of debt issuance costs		33		38
Total interest expense	$	3,717	$	4,253

Other Long-Term Debt

Other long-term debt consisted of the following at September 30, 2014 and December 31, 2013:

In thousands	September 30, 2014		December 31, 2013
Bank term loan	$	—	$	9,100
Less current portion		—		(4,200	)
	$	—	$	4,900