Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2012

Stock-Based Compensation [Abstract]

Schedule of stock-based compensation expense attributable to share-based payments made to employees and directors

The following assumptions apply to the options to purchase 157,500 and 160,750 shares of common stock granted to employees and directors during the nine months ended September 30, 2012 and 2011, respectively:

	Nine Months Ended September 30,
	2012			2011
Average risk free interest rate		0.9	%		3.0	%
Expected dividend yield		—			—
Expected lives (years)		5.6			9.7
Expected volatility		63	%		62	%
Weighted average grant date fair value of options granted during the period (per share)	$	0.54		$	1.55
Weighted average exercise price of options granted during the period (per share)	$	0.97		$	2.18