Share-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2017

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Stock Option Activity

The following table summarizes stock option activity for the six month period ended June 30, 2017:

	Number of Options		Weighted Average Exercise Price Per Option		Weighted Average remaining Contractual Life (years)	Aggregate Intrinsic Value (in thousands)
Outstanding balance at December 31, 2016	403,986		$	4.62
Granted	2,075,000		0.65
Exercised	—		—
Forfeited and Expired	(25,053	)	3.17
Outstanding balance at June 30, 2017	2,453,933		1.28		9.49	$0
Options exercisable at June 30, 2017	241,041		$	6.11	6.78	$0

Schedule of Valuation Assumptions for Stock Options Granted

The fair value of the stock options granted during the three and six month periods ended June 30, 2017, was estimated on the date of grant using the Black-Scholes option pricing model with the following weighted average assumptions:

	Three Months Ended June 30,	Six Months Ended June 30,
	2017	2017
Expected life (years)	4.2	4.2
Expected volatility	90.0%	90.0%
Expected dividend yield	—%	—%
Risk-free interest rate	1.8%	1.8%
Weighted average fair value of options granted during the period	$0.43	$0.43