Fair Value Measurements (Tables)

6 Months Ended

Jun. 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 June 30, 2016 and December 31, 2015 were as follows:

($ in thousands)	Balance as of June 30, 2016			Fair Value Measurements at Reporting Date Using
Description				Quoted Prices in Active Markets for Identical Assets/ Liabilities (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Cash equivalents	$	106,074		$	106,074	$	—	$	—
Series 1 preferred stock issuance obligation	$	(119,045	)	$	—	$	—	$	(119,045	)

($ in thousands)	Balance as of December 31, 2015		Fair Value Measurements at Reporting Date Using
Description			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	$	—	$	—