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EMPLOYEE STOCK PLANS (Tables)
 9 Months Ended
Sep. 29, 2013
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]  
Schedule of Stock Option Activity
The following table summarizes the stock option activity under all of our equity incentive plans for the nine months ended September 29, 2013:
 
Number of Shares
 
Weighted-
Average
Exercise
Price
 
Weighted Average Remaining Term
 
Aggregated Intrinsic Value
 
(thousands)
 
 
 
(years)
 
(thousands)
Outstanding at December 31, 2012
7,614

 
$
3.34

 
 
 


Granted
1,540

 
$
1.36

 
 
 


Exercised
(291
)
 
$
0.84

 
 
 


Canceled or forfeited
(3,438
)
 
$
4.13

 
 
 


Outstanding at September 29, 2013
5,425

 
$
2.41

 
4.8
 
$
4,104

Vested and expected to vest at September 29, 2013
4,954

 
$
2.50

 
4.6
 
$
3,668

Exercisable at September 29, 2013
2,107

 
$
4.01

 
2.8
 
$
683

 
 
 
 
 
 
 
 
The aggregate intrinsic value represents the pre-tax differences between the exercise price of stock options and the quoted market price of our stock on September 27, 2013 for all in-the-money options.
The following table provides information pertaining to our stock options for the nine months ended September 29, 2013 and September 30, 2012 (in thousands, except weighted-average fair values):
 
Nine Months Ended
 
September 29,
2013
 
September 30,
2012
Weighted-average fair value of options granted
$
0.86

 
$
1.67

Intrinsic value of options exercised
$
273

 
$
203

Cash received from options exercised
$
241

 
$
175
Schedule of Restricted Stock Units
The following table summarizes RSU activity under all of our equity incentive plans for the nine months ended September 29, 2013:
 
Number of Shares
 
Weighted Average Grant Date Fair Value
 
(thousands)
 
 
Outstanding at December 31, 2012
32

 
$
1.28

Granted
407

 
1.43

Released
(8
)
 
1.09

Canceled
(11
)
 
1.60

Outstanding at September 29, 2013
420

 
$
1.42