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STOCK OPTIONS
 9 Months Ended
Sep. 30, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Stock Options
STOCK OPTIONS
 
The following table summarizes stock option activity during the nine months ended September 30, 2013:
 
 
Number of
Options
 
Weighted Average
Exercise Price
Balance at January 1, 2013
4,353,167

 
$
1.05

Granted
5,933,000

 
0.37

Exercised
—

 
—

Forfeited
(962,500
)
 
(1.01
)
Expired
(188,333
)
 
(1.66
)
Balance at September 30, 2013
9,135,334

 
$
0.62

Exercisable at September 30, 2013
3,151,511

 
$
1.01


    
During the nine months ended September 30, 2013, we granted options exercisable to purchase 5,933,000 shares of common stock at a weighted average exercise price of $0.37 per share under our 2006 Equity Incentive Plan. Options to purchase an aggregate of 626,500 shares of common stock were granted during the nine months ended September 30, 2012.