Derivative Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Summary of Assets and Liabilities Measured at Fair Value on Recurring Basis

The following table summarizes assets and liabilities measured at fair value on a recurring basis at June 30, 2016 and December 31, 2015, respectively:

	June 30, 2016								December 31, 2015
	Level 1		Level   2		Level 3		Total		Level 1		Level 2		Level 3		Total
Fair Value
Measurements Using:
Liabilities
Derivative liabilities- free standing warrants	$	—	$	114	$	—	$	114	$	—	$	—	$	—	$	—

Schedule of Derivative Liabilities Measured at Fair Value Using Observable Inputs (Level 2)

The table below provides a reconciliation of the beginning and ending balances for the liabilities measured at fair value using observable inputs (Level 2). The table reflects net gains and losses for all financial liabilities categorized as Level 2 as of June 30, 2016 and December 31, 2015.

	$			Number of   Warrants
Liabilities:
Warrant liability as of December 31, 2015	$	—			—
Increase due to issuance of warrants	$	136			84,986
Decrease due to fair value of warrants	$	(22	)		—
Warrant liability as of June 30, 2016	$	114			84,986