INDEBTEDNESS (Tables)

12 Months Ended

Dec. 31, 2014

Debt Disclosure [Abstract]

Convertible Debt

The carrying value of the Notes is as follows as of December 31:

(in thousands)	2014
Principal amount	$	143,750
Unamortized debt discount		(33,059)
Net Carrying value	$	110,691

Interest Income and Interest Expense Disclosure

The following table sets forth the components of total “interest expense” related to the Notes recognized in the accompanying consolidated statements of operations for the year ended December 31:

(in thousands)	2014
Contractual coupon	$	252
Amortization of debt discount		489
Amortization of finance fees		70
	$	811