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Stock-Based Compensation (Tables)
 9 Months Ended
Sep. 30, 2013
Stock-Based Compensation [Abstract]  
Summary of stock-based compensation expense
The following table summarizes the stock-based compensation expense, net of amounts capitalized, we recorded in our Unaudited Condensed Consolidated Statements of Operations for the three and nine-month periods ended September 30, 2013 and 2012, respectively, by classification:
 
 
 
Three Months Ended
September 30,
  
Nine Months Ended
September 30,
 
Statement of Operations Classification
 
2013
  
2012
  
2013
  
2012
 
Costs of revenue
 
$
(500
)
 
$
6,700
  
$
3,300
  
$
17,100
 
Selling and marketing expense
  
39,800
   
33,200
   
118,700
   
84,800
 
General and administrative expense
  
76,300
   
71,000
   
255,800
   
404,700
 
Research and development expense
  
74,400
   
82,600
   
202,700
   
252,400
 
 
 
$
190,000
  
$
193,500
  
$
580,500
  
$
759,000
 
Summary of status and activity of stock option awards
The following table presents summaries of the status and activity of our stock option awards for the three-month period ended September 30, 2013.

 
 
Number of Shares
  
Weighted Average Exercise
Price
  
Weighted Average
Remaining Contractual
Terms (Years)
  
Aggregate Intrinsic Value
 
Outstanding – June 30, 2013
  
13,134,398
  
$
0.20
  
    
Granted
  
23,000
   
0.44
       
Exercised
  
(708,594
)
  
0.18
        
Forfeited or expired
  
(77,745
)
  
0.20
         
Outstanding – September 30, 2013
  
12,371,059
  
$
0.20
  
6.12
  
$
4,161,600
 

The following table presents summaries of the status and activity of our stock option awards for the nine-month period ended September 30, 2013.
 
 
 
Number of Shares
  
Weighted Average Exercise
Price
  
Weighted Average
Remaining Contractual
Terms (Years)
  
Aggregate Intrinsic Value
 
Outstanding – December 31, 2012
  
14,174,000
  
$
0.20
  
  
 
Granted
  
23,000
   
0.44
       
Exercised
  
(1,459,972
)
  
0.17
         
Forfeited or expired
  
(232,151
)
  
0.20
        
Cancellation of unearned performance option
  
(133,818
)
  
0.19
         
Outstanding – September 30, 2013
  
12,371,059
  
$
0.20
   
6.12
  
$
4,161,600
 
 
Summary of status and activity of restricted stock awards
The following table presents summaries of the status and activity of our restricted stock awards for the three-month period ended September 30, 2013. We include the common stock underlying the restricted stock award in shares outstanding once such common stock has vested and the restriction has been removed (“releases” or “released”).The common stock vests ratably, over a 33-month period; however, no such shares vest until after three months from the date of the restricted stock award.
 
 
Number of Shares
  
Weighted Average Grant Date Fair Value
  
Weighted Average
Remaining Recognition P
eriod (Years)
  
Unrecognized Compensation Cost Remaining
 
Unreleased – June 30, 2013
  
3,796,324
  
$
0.22
       
Awarded
  
1,027,500
   
0.42
       
Released
  
(432,521
)
  
0.23
       
Forfeited
  
(265,157
)
  
0.27
         
Outstanding – September 30, 2013
  
4,126,146
  
$
0.26
  
2.15
  
$
918,400
 
 
The following table presents summaries of the status and activity of our restricted stock awards for the nine-month period ended September 30, 2013.

 
 
Number of Shares
  
Weighted Average Grant Date Fair Value
  
Weighted Average
Remaining Recognition
Period (Years)
  
Unrecognized Compensation Cost Remaining
 
Unreleased – December 31, 2012
  
4,043,123
  
$
0.18
       
Awarded
  
1,607,500
   
0.42
         
Released
  
(1,208,412
)
  
0.21
         
Forfeited
  
(316,065
)
  
0.36
         
Outstanding – September 30, 2013
  
4,126,146
  
$
0.26
   
2.15
  
$
918,400