Convertible 3.75% Senior Notes (Tables)

6 Months Ended

Jun. 30, 2015

Debt Disclosure [Abstract]

Convertible Debt [Table Text Block]

At June 30, 2015 the net carrying amount of the liability component and the remaining unamortized debt discount were as follows:

	June 30, 2015
Face amount of the Notes	$	143,750
Unamortized discount of the liability component		40,206
Carrying amount of the Notes	$	103,544

Schedule of Long-term Debt Instruments [Table Text Block]

Deferred financing costs associated with the Notes include fees of $4.4 million at June 30, 2015. The assumptions used in connection with the valuation of the convertible option of the Notes issued December 16, 2014 utilizing the "with” and “without” method, discussed in Note 3 was as follows:

	Initial
	Measurement			Measurement			Measurement
	December 16,			December 31,			May 20,
	2014			2014			2015
Issue date		12/17/2014			12/17/2014			12/17/2014
Maturity date		12/15/2019			12/15/2019			12/15/2019
Term		4.99			4.92			4.57
Principal (millions)		143.75			143.75			143.75
Coupon		3.75	%		3.75	%		3.75	%
Seniority		Senior unsecured			Senior unsecured			Senior unsecured
Conversion shares		88.572			88.572			88.572
Conversion price	$	11.29		$	11.29		$	11.29
Stock price	$	9.45		$	8.80		$	5.73
Risk free rate		1.61	%		1.64	%		1.44	%
Volatility (rounded)		40.00	%		40.00	%		46.00	%

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block]

The table below provides a reconciliation of beginning and ending balances for the liability measured at fair value using significant observable and unobservable inputs (Level 3). The table reflects the gains associated with the decrease in fair value and the reclassification of the balance of the derivative liability.

	Initial						Decrease in Fair
	Measurement						Value		Reclassification
	December 16,		Decrease in		December 31,		January 1, 2015 to		of derivative liability to		June 30,
	2014		Fair Value		2014		May 20, 2015		equity on May 20, 2015		2015
Fair value of convertible feature of 3.75% senior  notes	$	43,700	$	2,300	$	41,400	$	23,144	$	18,256	$	-

Interest Income and Interest Expense Disclosure [Table Text Block]

For the three months and the six months ended June 30, 2015, the Company recorded the following expenses in relation to the Notes:

	Three months		Six months
	ended June 30,		ended June 30,
	2015		2015
	(in thousands)		(in thousands)
Interest Expense at 3.75% coupon rate (1)	$	1,347	$	2,695
Debt discount amortization (1)		1,643		3,233
Amortization of deferred financing costs (1)		180		353
	$	3,170	$	6,281

(1) Included within “Interest and other expense, net” on the Condensed Consolidated Statements of Operations