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Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2013
Summary of Significant Accounting Policies  
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

 

 

 

 

2013

 

2012

 

 

 

 

 

 

 

Weighted average grant date fair value

 

$0.49

 

$0.63

 

Weighted average assumptions used:

 

 

 

 

 

Expected dividend yield

 

0.00

%

0.00

%

Risk-free interest rate

 

0.83

%

0.84

%

Expected volatility

 

225.21

%

213.17

%

Expected life (in years)

 

4.91

 

4.89