Debt (Tables)

12 Months Ended

Dec. 31, 2013

Debt Disclosure [Abstract]

Summary of Debt

A summary of the Company’s debt as of December 31, 2013 and 2012 is as follows (in thousands):

	December 31, 2013			December 31, 2012			Maturity Date
Secured and unsecured debt
Equipment note	$	70		$	129		January 2015
Silicon Valley Bank term loan		—			11,233		March 2013
Peoria facility note		—			3,606		February 2013
HSBC facility		10,369			—		March 2015
Total secured and unsecured debt		10,439			14,968
Convertible senior subordinated notes		81,779			—		February 2018
Total debt		92,218			14,968
Add:
Fair value of embedded derivative		5,914			—
Less:
Unamortized debt discount		(4,610	)		—
Current portion of debt		(65	)		(7,331	)
Long-term portion of debt	$	93,457		$	7,637

Summary of Debt Maturity

A summary of debt maturity follows (in thousands):

	December 31, 2013
Principal due in 2014	$	65
Principal due in 2015		10,374
Principal due in 2016		—
Principal due in 2017		—
Principal due in 2018		81,779
Principal due in 2019 and thereafter		—
Total	$	92,218