Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2015

Company's Financial Assets and Liability Measured at Fair Value on a Recurring Basis

The following fair value hierarchy table presents information about each major category of the Company’s financial assets and liabilities measured at fair value on a recurring basis as of June 30, 2015 and December 31, 2014:



	Fair value measurement using
($ in thousands)	Quoted prices in active markets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)		Total
Balance at June 30, 2015
Assets:
Cash and cash equivalents	$	26,850	$	—	$	—	$	26,850
Liabilities:
Warrant liability	$	—	$	—	$	12,347	$	12,347



	Fair value measurement using
($ in thousands)	Quoted prices in active markets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)		Total
Balance at December 31, 2014
Assets:
Cash and cash equivalents	$	37,495	$	—	$	—	$	37,495
Liabilities:
Warrant liability	$	—	$	—	$	11,286	$	11,286

Reconciliation of Warrant Liability Measured at Fair Value on Recurring Basis

The reconciliation of the warrant liability measured at fair value on a recurring basis using unobservable inputs (Level 3) was as follows:



	Warrant
($ in thousands)	Liability
Balance at December 31, 2014	$	11,286
Exercise of warrants	—
Change in fair value of warrant liability	1,061
Balance at June 30, 2015	$	12,347