Convertible Senior Secured Notes (Tables)

6 Months Ended

Jun. 30, 2015

Convertible Senior Secured Notes

Summary of issuance of Notes reflected in balance sheet

The table below summarizes activity related to the Notes from issuance on May 3, 2013 through June 30, 2015, in thousands:

Gross proceeds	$	90,000
Initial value of interest make-whole derivative reported as debt discount	(9,270		)
Conversion option reported as debt discount and APIC	(22,336		)
Conversion of debt to equity - principal	(53,941		)
Conversion of debt to equity - accretion of debt discount	17,926
Accretion of debt discount	4,568
December 31, 2014 carrying value	26,947
Conversion of debt to equity - principal	(25,335		)
Conversion of debt to equity - accretion of debt discount	6,669
Accretion of debt discount	481
June 30, 2015 carrying value, unaudited	$	8,762