Long-term Debt (Tables)

12 Months Ended

Dec. 31, 2014

Outstanding Convertible Note Balances

The outstanding convertible note balances as of December 31, 2014 consisted of the following:

In thousands
Liability component:
Principal	$	200,000
Less: debt discount, net		(43,092	)
Net carrying amount	$	156,908
Equity component	$	40,896

Total Interest Expense Recognized Related to Convertible Notes

December 31, 2014. The following table sets forth total interest expense recognized related to the convertible notes during the period from issuance through December 31, 2014:

In thousands
Contractual interest expense	$	3,887
Amortization of debt discount		4,058
Amortization of debt issuance costs		71
Total interest expense	$	8,016

Other Long-Term Debt

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

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