XML 45 R32.htm IDEA: XBRL DOCUMENT v3.3.1.900
STOCK-BASED COMPENSATION (Tables)
12 Months Ended
Jan. 03, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of impact on results of operations of recording stock-based compensation expense
The impact on the Company's results of operations of recording stock-based compensation expense for fiscal years 2015, 2014, and 2013 was as follows (in thousands):

 
Fiscal Years
 
2015
 
2014
 
2013
Cost of revenue
$
109

 
$
137

 
$
232

Research and development
826

 
924

 
666

Selling, general and administrative
1,064

 
1,181

 
1,081

Restructuring costs*
29

 

 

Total costs and expenses
$
2,028

 
$
2,242

 
$
1,979



* Stock-based compensation related to restructuring plan initiated in Q2-15.
Schedule of weighted average assumptions included in estimated fair value calculations for stock option grants
The following weighted average assumptions are included in the estimated fair value calculations for stock option grants:
 
 
Fiscal Years
 
2015
 
2014
 
2013
Expected term (years)
6.3

 
6.6

 
6.1

Risk-free interest rate
1.75
%
 
1.98
%
 
1.74
%
Expected volatility
56
%
 
58
%
 
59
%
Expected dividend

 

 

Schedule of shares available for grant
The following table summarizes the shares available for grant under the 2009 Plan for 2015:
 
 
Shares
Available for Grant
 
(in thousands)
Balance at December 28, 2014
1,139

Authorized
2,500

Options granted
(225
)
Options forfeited or expired
521

RSUs granted
(817
)
RSUs forfeited
122

PRSUs granted
(311
)
Balance at January 3, 2016
2,929

Schedule of stock options outstanding and stock option activity and related weighted average exercise price
The following table summarizes stock options outstanding and stock option activity under the 1999 Plan and the 2009 Plan, and the related weighted average exercise price, for 2015, 2014 and 2013:
 
 
Number of Shares
 
Weighted Average
Exercise Price
 
Weighted Average
Remaining Term
 
Aggregate Intrinsic
Value
 
(in thousands)
 
 
 
(in years)
 
(in thousands)
Balance outstanding at December 30, 2012
6,960

 
$
2.55

 
 
 
 
Granted
716

 
3.26

 
 
 
 
Forfeited or expired
(269
)
 
2.65

 
 
 
 
Exercised
(165
)
 
2.21

 
 
 
 
Balance outstanding at December 29, 2013
7,242

 
2.62

 
 
 
 
Granted
428

 
3.51

 
 
 
 
Forfeited or expired
(219
)
 
3.56

 
 
 
 
Exercised
(1,769
)
 
2.57

 
 
 
 
Balance outstanding at December 28, 2014
5,682

 
2.67

 
 
 
 
Granted
225

 
1.64

 
 
 
 
Forfeited or expired
(521
)
 
2.87

 
 
 
 
Exercised
(120
)
 
0.98

 
 
 
 
Balance outstanding at January 3, 2016
5,266

 
$
2.64

 
4.56
 
$
94

Exercisable at January 3, 2016
4,546

 
$
2.63

 
3.94
 
$
94

Vested and expected to vest at January 3, 2016
5,132

 
$
2.64

 
4.45
 
$
94

Schedule of significant price ranges of options outstanding, related weighted average exercise prices and contractual life information
Significant exercise price ranges of options outstanding, related weighted average exercise prices and contractual life information at the end of 2015 were as follows:
 
 
Options Outstanding
 
Options Exercisable
Range of Exercise Prices
Options
Outstanding
 
Weighted
Average
Remaining
Contractual
Life
 
Weighted Average
Exercise Price
 
Options Vested and
Exercisable
 
Weighted Average
Exercise Price
 
(in thousands)
 
(in years)
 
 
 
(in thousands)
 
 
$0.78 - $1.55
552

 
4.63
 
$
1.04

 
407

 
$
0.90

 1.63 - 1.63
793

 
3.10
 
1.63

 
792

 
1.63

 2.00 - 2.52
529

 
6.69
 
2.21

 
367

 
2.25

 2.65 - 2.76
41

 
3.15
 
2.73

 
38

 
2.73

 2.78 - 2.78
1,459

 
4.53
 
2.78

 
1,460

 
2.78

 2.82 - 3.20
585

 
3.74
 
3.02

 
451

 
2.97

 3.21 - 3.48
612

 
7.09
 
3.40

 
416

 
3.40

 3.54 - 3.92
166

 
7.71
 
3.69

 
86

 
3.68

 4.17- 4.17
501

 
1.82
 
4.17

 
501

 
4.17

 5.94 - 5.94
28

 
0.32
 
5.94

 
28

 
5.94

$0.78 - $5.94
5,266

 
4.56
 
$
2.64

 
4,546

 
$
2.63

Schedule of share-based compensation related to RSU
The stock-based compensation related to grants of vested RSUs was $834,000 in 2015. In 2015, the Company also granted PRSUs to new employees and the stock-based compensation related to PRSUs was $101,000.

 
RSUs & PRSUs Outstanding
 
Number of Shares
 
Weighted Average
Grant Date Fair Value
 
(in thousands)
 
 
Nonvested at December 28, 2014
650

 
$
3.47

Granted
1,128

 
1.46

Vested
(221
)
 
1.42

Forfeited
(122
)
 

Nonvested at January 3, 2016
1,435

 
$
2.30

Schedule of weighted average assumptions
The fair value of rights issued pursuant to the Company's ESPP was estimated on the commencement date of each offering period using the following weighted average assumptions:
 
 
Fiscal Years
 
2015
 
2014
 
2013
Expected life (months)
6.0

 
6.0


6.1

Risk-free interest rate
0.21
%
 
0.07
%

0.09
%
Volatility
55
%
 
49
%

39
%
Dividend yield