Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Tables)

v2.4.0.6
Stockholders' Equity (Tables)
 12 Months Ended
Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Assumption of weighted average fair value of options granted
 
   
2012
    
2011
  
Weighted average fair value of options granted
  
$
0.26
     $
0.37
  
Risk-free interest rate
    
1.59
%
    
 2.20
%
Volatility
    
98.0
%
    
74.98 
%
Expected life (years)
    
10
      
10 
  
Dividend yield
    
0.00
%
    
0.00 
%
 
Warrant [Member]
  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Summary of option/warrant activity
 
Number of Shares Under Warrants
    
Range of
Warrants Price Per Share
    
Weighted Average Exercise Price
  
Warrants Outstanding at January 1, 2011
    
3,225,865
    
$
0.02
    
$
0.02
  
   Warrants Granted
    
-0-
      
-0-
      
-0-
  
   Warrants Exercised
    
3,052,438
      
-0-
      
-0-
  
   Warrants Cancelled
    
-0-
      
-0-
      
-0-
  
Warrants Outstanding at December 31, 2011
    
173,427
    
$
0.02
    
$
0.02
  
   Warrants Granted
    
-0-
      
-0-
      
-0-
  
   Warrants Exercised
    
144,785
      
0.01
      
0.01
  
   Warrants Cancelled
    
-0-
      
-0-
      
-0-
  
Warrants Outstanding at December 31, 2012
    
28,642
    
$ 
0.02
    
$ 
0.02
  
                         
Warrants exercisable at December 31, 2012
    
28,642
    
$ 
0.02
    
$ 
0.02
  
 
Stock Options [Member]
  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Summary of option/warrant activity
 
   
Number of Shares
 Under Options
    
Range of
Option Price
 Per Share
    
Weighted
 Average
 Exercise Price
  
Options Outstanding at January 1, 2011
    
3,670,169
    
$
0.02 - 0.36
    
$
0.09
  
   Options Granted
    
522,215
      
0.31 - 0.36
      
0.35
  
   Options Exercised
    
(1,583,592
) 
    
0.02
      
0.02
  
   Options Cancelled
    
(45,677
)
    
0.32
      
0.32
  
Options Outstanding at December 31, 2011
    
2,563,115
    
$ 
0.02 - 0.36
    
$ 
0.14
  
   Options Granted
    
3,707,656
      
0.41 - 0.85
      
0.24
  
   Options Exercised
    
-
      
-
       -  
   Options Expired
    
(36,779
)
    
0.32
      
0.85
  
Options Outstanding at December 31, 2012
    
6,232,992
    
$ 
0.02 - 0.85
    
$ 
0.26
  
                         
Options Exercisable at December 31, 2012
    
2,740,168
    
$ 
0.02 - 0.85
    
$ 
0.27