Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2016

Assets and Liabilities Measured at Fair Value on Recurring Basis

Assets and liabilities measured at fair value on a recurring basis as of September 30, 2016 and December 31, 2015 were as follows:

($ in thousands)				Fair Value Measurements at Reporting Date Using
Description	Balance as of September 30, 2016			Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Cash equivalents	$	91,372		$	91,372	$	—	$	—
Derivative liabilities	$	(694	)	$	—	$	—	$	(694	)

($ in thousands)			Fair Value Measurements at Reporting Date Using
Description	Balance as of December 31, 2015		Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Cash equivalents	$	137,405	$	137,405	$	—	$	—