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STOCK-BASED COMPENSATION (Tables)
9 Months Ended
Sep. 26, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Stock- Based Compensation
A summary of stock option award activity under the equity plans as of September 26, 2015 and changes during the nine month period then ended is as follows:
 
Nine Months Ended September 26, 2015
 
Shares
 
Weighted
Average
Exercise
Price
Balance, December 27, 2014
130,500

 
$
3.49

Options forfeited/canceled
(125,358
)
 
3.50

Options exercised
(5,142
)
 
3.16

Balance, all exercisable, September 26, 2015

 
$

NonVested Restricted Common Stock
A summary of the activity for non-vested restricted common stock awards as of September 26, 2015 and changes during the nine month period then ended is presented below:
 
Shares
 
Weighted
Average
Grant
Fair
Value
Balance, December 27, 2014
2,551,631

 
$
3.75

Granted
1,192,400

 
3.80

Forfeited
(291,720
)
 
3.65

Vested
(527,500
)
 
3.54

Balance, September 26, 2015
2,924,811

 
$
3.82

Stock-Based Compensation Expense
The following table summarizes stock-based compensation expense within each of the categories below as it relates to non-vested restricted common stock awards for the nine months ended September 26, 2015 and September 27, 2014 (no tax benefits were recognized):
 
Nine Months Ended
 
September 26,
2015
 
September 27,
2014
Cost of component revenues
$
620,494

 
$
590,467

Research and development
669,605

 
773,106

Selling, general and administrative
1,496,395

 
2,191,881

Total
$
2,786,494

 
$
3,555,454