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EMPLOYEE STOCK PLANS (Tables)
 12 Months Ended
Dec. 31, 2012
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]  
Schedule of Stock Option Activity
The following table provides supplemental information pertaining to our stock options for the years ended December 31, 2012, 2011 and 2010 (in thousands, except weighted-average fair values):
 
Years Ended December 31,
 
2012
 
2011
 
2010
Weighted-average fair value of options granted
$
0.95

 
$
1.36

 
$
1.96

Intrinsic value of options exercised
$
211

 
$
122

 
$
441

Cash received from options exercised
$
238

 
$
109

 
$
138

The following table summarizes the stock option activity under all of our equity incentive plans for the year ended December 31, 2012:
 
Number of Shares
 
Weighted-
Average
Exercise
Price
 
Weighted Average Remaining Contractual Life
 
Aggregate Intrinsic Value
 
(thousands)
 
 
 
(years)
 
(thousands)
Outstanding at December 31, 2011
6,489

 
$
4.37

 
 
 


Granted
3,075

 
$
1.67

 
 
 


Exercised
(247
)
 
$
0.96

 
 
 


Forfeited or expired
(1,703
)
 
$
4.61

 
 
 
 
Outstanding at December 31, 2012
7,614

 
$
3.34

 
4.5
 
$
41

Vested and expected to vest at December 31, 2012
7,010

 
$
3.47

 
4.4
 
$
41

Exercisable at December 31, 2012
3,706

 
$
4.96

 
2.8
 
$
40

 
 
 
 
 
 
 
 
Schedule of Restricted Stock Units
The following table summarizes RSU activity under all of our equity incentive plans for the year ended December 31, 2012:
 
Number of Shares
 
Weighted Average Grant Date Fair Value
 
(thousands)
 
 
Outstanding at December 31, 2011
246

 
$
3.50

Granted
30

 
0.88

Released
(15
)
 
$
5.65

Forfeited or Expired
(229
)
 
$
3.32

Outstanding at December 31, 2012
32

 
$
1.28