Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2013

Schedule of Unvested Restricted Stock Activity

A summary of the Company's unvested restricted stock as of June 30, 2013 and changes during the six months ended June 30, 2013 is as follows:


	Shares			Weighted- Average Grant Date Fair Value
Unvested at December 31, 2012		2,899		$	2.23
Vested		(2,899	)	$	2.09
Unvested at June 30, 2013		-		$	-

Schedule of Stock Option Activity

The following is a summary of the stock option activity for the six months ended June 30, 2013:


	Shares			Weighted Average Exercise Price
Outstanding, December 31, 2012		590,047		$	0.71
Granted		72,496		$	8.81
Forfeited		(18,263	)	$	0.59
Outstanding, June 30, 2013		644,280		$	1.63

Schedule of Stock Option Valuation Assumptions

The fair value of each stock option is estimated on the date of grant using the Black-Scholes-Merton option pricing model with the following assumptions for stock options granted during the six months ended June 30, 2013:


Dividend yield	0.0	%
Expected volatility	90	%
Risk-free interest rate	1.39-1.5	%
Expected lives (years)	5-6

Schedule of Options Outstanding, Exercisable, and Vested or Expected to Vest

The following table summarizes information about stock options outstanding at June 30, 2013:


Options Outstanding			Options Exercisable			Options Vested or Expected to Vest
Balance as of 6/30/2013	Weighted Average Remaining Contractual Life (Years)	Weighted Average Exercise Price	Balance as of 6/30/2013	Weighted Average Remaining Contractual Life (Years)	Weighted Average Exercise Price	Balance as of 6/30/2013	Weighted Average Remaining Contractual Life (Years)	Weighted Average Exercise Price
644,280	8.08	$1.63	457,823	7.62	$0.76	457,823	7.62	$0.76