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Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2012

Stock-Based Compensation [Abstract]

Schedule of fair value of each option award granted

The fair value of each option award granted is estimated on the date of grant using the Black-Scholes option valuation model and assumptions as noted in the following table:


		For the Six Months Ended June 30, 2012		For the Six Months Ended June 30, 2011
Expected life		6.5 years		6.5 years
Expected volatility		73.55-79.68%		70.54-76.32%%
Risk-free interest rate		0.93-1.60%		2.47-3.34%
Dividend yield		0%		0%

Schedule of stock option plans

The status of the Company’s stock option plans at June 30, 2012 is summarized in the following:


		Number of Shares				Weighted Average Exercise Price per Share				Weighted Average Remaining Contractual Term in Years				Aggregate Intrinsic Value
Outstanding at December 31, 2011			2,057,104			$	4.35				6.6
Granted			350,563				3.93				—
Exercised			(53,123	)			—				—
Forfeited or expired			(159,238	)			6.12				—

Outstanding at June 30, 2012			2,195,306			$	4.18				7.0			$	211

Vested and exercisable at June 30, 2012			1,562,681			$	4.01				6.4			$	149

Schedule of stock option plans quantitative information


		Number Outstanding				Options Outstanding Weighted- Average Remaining Contractual Life		Weighted Average Exercise Price				Options Exercisable
Range of Exercise Prices		Number Outstanding						Weighted Average Exercise Price				Number Exercisable				Weighted- Average Exercise Price
$.01-$1.00			43,329			0.6 years		$	1.00				43,329			$	1.00
$1.01-$4.50			1,696,502			7.4 years		$	3.58				1,346,152			$	3.63
$4.51-$11.11			455,475			6.2 years		$	6.70				173,200			$	7.73

$.01-$11.11			2,195,306			7.0 years		$	4.18				1,562,681			$	4.01

Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate.

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