Accounting for Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2013

Accounting for Stock-Based Compensation

Schedule of assumptions used to estimate the fair values of employee and director options awards at the date of grant using a Black-Scholes option-pricing model

	For Three Months Ended June 30, 2013			For Three Months Ended June 30, 2012			For Six Months Ended June 30, 2013			For Six Months Ended June 30, 2012
Weighted average grant date fair value	$	0.44		$	0.59		$	0.47		$	0.63
Weighted average assumptions used:
Expected dividend yield	0.0		%	0.0		%	0.0		%	0.0		%
Risk-free interest rate	0.80		%	0.75		%	0.82		%	0.84		%
Expected volatility	227.0		%	216.0		%	225.0		%	213.0		%
Expected life (in years)	5.0			5.0			4.9			4.9