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Stock-Based Compensation (Tables)
9 Months Ended
Sep. 27, 2013
Stockholders' Equity Note [Abstract]  
Schedule Of Compensation Cost [Table Text Block]
The cost that has been charged against income for stock-based compensation is set forth below (in thousands):
 
 
 
 
Three Months Ended
 
 
Nine Months Ended
 
 
 
 
September
27,
2013
 
 
September
28,
2012
 
 
September
27,
2013
 
 
September
28,
2012
 
Employee stock options
 
$
576
 
$
660
 
$
2,068
 
$
1,850
 
Restricted stock expense
 
 
283
 
 
170
 
 
718
 
 
433
 
Consultant compensation
 
 
47
 
 
8
 
 
138
 
 
34
 
Total
 
$
906
 
$
838
 
$
2,924
 
$
2,317
 
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
The risk-free rate is based on the U.S. Treasury yield curve corresponding to the expected term at the time of the grant.
 
 
 
 
Three Months Ended
 
Nine Months Ended
 
 
 
September 27,
2013
 
September 28,
2012
 
September 27,
2013
 
September 28,
2012
 
Expected dividend yield
 
0%
 
0%
 
0%
 
0%
 
Expected volatility
 
58.43%
 
80.28%
 
71.69%
 
79.48%
 
Risk-free interest rate
 
1.32%
 
0.63%
 
0.69%
 
0.82%
 
Expected term (in years)
 
4.12
 
5.21
 
4.12
 
5.21
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
A summary of option activity under the Plan as of September 27, 2013 is presented below:
 
 
 
Options
Shares
(000’s)
 
Restricted
Shares
(000’s)
 
Warrants
Shares
(000’s)
 
 
 
 
 
 
 
 
 
Outstanding at December 28, 2012
 
3,376
 
205
 
1,470
 
Granted
 
560
 
153
 
 
Exercised
 
(515)
 
(17)
 
 
Forfeited or expired
 
(30)
 
 
(70)
 
Outstanding at September 27, 2013
 
3,391
 
341
 
1,400
 
Exercisable at September 27, 2013
 
2,198
 
 
1,400