Interest Expense (Tables)

9 Months Ended

Sep. 30, 2014

Banking and Thrift, Interest [Abstract]

Summary of Interest Expense (Income)

Interest expense (income) consists of the following:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2014		2013		2014		2013
	(In thousands)				(In thousands)
Changes in fair value:
Subordinated Notes	$	—	$	744	$	1,543	$	2,994
Senior Convertible Notes		—		1,854		11,373		3,310
Convertible Notes, net of capitalization		—		5,403		37,095		2,129
Issuance of Series C preferred stock warrants in connection with senior convertible notes		—		—		—		10,677
Debt closing costs		16		—		47		582
Other interest		31		37		167		600
Total interest expense	$	47	$	8,038	$	50,225	$	20,292