Long-Term Obligations and Commitments (Tables)

12 Months Ended

Dec. 31, 2013

Long-Term Obligations and Commitments

Schedule of carrying value of long-term obligations

The carrying value of our long-term obligations was as follows (in thousands):

	December 31,
	2013			2012
2¾ percent convertible senior notes	$	150,334		$	143,990
Long-term financing liability for leased facility	71,288			70,550
Equipment financing arrangement	7,461			9,993
Leases and other obligations	3,489			2,288
Total	$	232,572		$	226,821
Less: current portion	(4,408		)	(4,879		)
Total Long-Term Obligations	$	228,164		$	221,942

Summary of equity and liability components of debt instruments

The following table summarizes information about the equity and liability components of our 2¾ percent notes, (in thousands):

	December 31,
	2013			2012
Principal amount of convertible notes outstanding	$	201,250		$	201,250
Unamortized portion of liability component	(50,916		)	(57,260		)
Long-term debt	$	150,334		$	143,990
Carrying value of equity component	$	59,528		$	59,528

Schedule of annual debt and other obligation maturities, including fixed and determinable interest

Annual debt and other obligation maturities, including fixed and determinable interest, at December 31, 2013 are as follows (in thousands):

2014	$	10,246
2015	8,544
2016	6,117
2017	5,594
2018	5,594
Thereafter	207,805
Subtotal	$	243,900
Less: current portion	(4,408		)
Less: fixed and determinable interest	(34,498		)
Less: debt discount	(50,916		)
Plus: Deferred rent	1,647
Total	$	155,725

Schedule of future minimum payments under operating leases

Annual future minimum payments under operating leases as of December 31, 2013 are as follows (in thousands):

	Operating Leases
2014	$	1,470
2015	1,395
2016	1,538
2017	1,481
2018	1,451
Thereafter	19,126
Total minimum payments	$	26,461

Schedule of annual future minimum payments under leases and new facility

Annual future rent payments as of December 31, 2013 for our primary research and development facility are as follows (in thousands):

	Future Rent Payments
2014	$	6,179
2015	6,179
2016	6,550
2017	6,550
2018	6,943
Thereafter	105,508
Total minimum payments	$	137,909