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Stock Option Plans (Tables)
 9 Months Ended
Sep. 30, 2013
Summary of Option Activity for Employees and Non Employees

A summary of option activity for employees under the plans and changes during the nine months ended September 30, 2013, is presented below:

 

 

 

Number
of
Options

 

  

Weighted
Averaged
Exercise
Price $

 

  

Weighted
Average
Remaining
Contractual
Life (Years)

 

  

Aggregate
Intrinsic
Options
Value $

 

Outstanding, January 1, 2013             

 

  1,283,741

  

  

 

  0.79

  

  

 

  3.07

  

  

 

  768,692

  

Granted             

 

—

  

  

 

—

  

  

 

—

  

  

 

—

  

Exercised             

 

  40,000

  

  

 

  0.74

  

  

 

—

  

  

 

—

  

Forfeited or expired             

 

  36,666

  

  

 

  0.94

  

  

 

—

  

  

 

—

  

Outstanding, September 30, 2013             

 

  1,207,075

  

  

 

  0.87

  

  

 

  2.49

  

  

 

  614,768

  

Exercisable, September 30, 2013             

 

  794,620

  

  

 

  0.84

  

  

 

  1.93

  

  

 

  421,506

  

 

A summary of option activity for non-employees under the plans and changes during the nine months ended September 30, 2013, is presented below:

 

 

Number
of
Options

 

  

Weighted
Averaged
Exercise
Price $

 

  

Weighted
Average
Remaining
Contractual
Life (Years)

 

  

Aggregate
Intrinsic
Options
Value $

 

Outstanding, January 1, 2013             

 

  239,999

  

  

 

  1.56

  

  

 

  1.32

  

  

 

  168,166

  

Granted             

 

—

  

  

 

—

  

  

 

—

  

  

 

—

  

Exercised             

 

—

  

  

 

—

  

  

 

—

  

  

 

—

  

Forfeited or expired             

 

  66,667

  

  

 

  2.50

  

  

 

—

  

  

 

—

  

Outstanding, September 30, 2013             

 

  173,332

  

  

 

  0.48

  

  

 

  0.85

  

  

 

  151,750

  

Exercisable, September 30, 2013             

 

  170,533

  

  

 

  0.48

  

  

 

  0.82

  

  

 

  150,805