|
Stockholders' Equity (Tables)
|
12 Months Ended |
|
Dec. 27, 2014
|
| Stockholders' Equity: |
|
| Summary of restricted stock award activity |
|
|
|
Number
|
|
Weighted
Average Grant
Date Fair Value
|
|
|
Nonvested balance at December 28, 2013
|
|
314,350
|
|
$
|
5.82
|
|
|
Granted
|
|
25,000
|
|
12.78
|
|
|
Vested and released
|
|
(64,789
|
)
|
4.80
|
|
|
Forfeited
|
|
(65,961
|
)
|
4.09
|
|
|
Nonvested balance at December 27, 2014
|
|
208,600
|
|
$
|
7.52
|
|
|
| Summary of restricted stock units activity |
|
|
|
Number
|
|
Weighted
Average Grant
Date Fair Value
|
|
|
Nonvested balance at December 28, 2013
|
|
—
|
|
$
|
—
|
|
|
Granted
|
|
146,748
|
|
13.21
|
|
|
Vested and released
|
|
—
|
|
—
|
|
|
Forfeited
|
|
(1,819
|
)
|
13.21
|
|
|
Nonvested balance at December 27, 2014
|
|
144,929
|
|
$
|
13.21
|
|
|
| Summary of stock option activity |
|
|
|
Options
Outstanding
|
|
Weighted
Average
Exercise Price
|
|
Aggregate
Intrinsic Value
(in-the-money
options)
|
|
Weighted Average
Remaining
Contractual Life
(in years)
|
|
|
Outstanding at December 28, 2013
|
|
934,300
|
|
$
|
4.58
|
|
|
|
|
|
|
Granted
|
|
46,652
|
|
$
|
12.98
|
|
|
|
|
|
|
Exercised
|
|
(208,500
|
)
|
$
|
3.69
|
|
|
|
|
|
|
Forfeited or expired
|
|
(39,600
|
)
|
$
|
6.23
|
|
|
|
|
|
|
Outstanding at December 27, 2014
|
|
732,852
|
|
$
|
5.27
|
|
$
|
5,196,255
|
|
6.54
|
|
|
| Summary of stock options outstanding and exercisable |
|
Range of
Exercise Prices
|
|
Options
Outstanding
|
|
Weighted
Average
Remaining
Contractual
Life
(in years)
|
|
Weighted
Average
Exercise
Price
|
|
Options
Exercisable
|
|
Weighted
Average
Exercise
Price
|
|
|
$1.70 - $3.44
|
|
242,700
|
|
4.3
|
|
$
|
2.29
|
|
221,100
|
|
$
|
2.19
|
|
|
$3.60 - $6.55
|
|
267,100
|
|
6.8
|
|
$
|
5.32
|
|
116,200
|
|
$
|
5.11
|
|
|
$7.21 - $12.78
|
|
201,400
|
|
8.5
|
|
$
|
7.94
|
|
48,000
|
|
$
|
7.35
|
|
|
$13.21 - $13.21
|
|
21,652
|
|
9.5
|
|
$
|
13.21
|
|
—
|
|
$
|
—
|
|
|
|
|
732,852
|
|
6.5
|
|
$
|
5.27
|
|
385,300
|
|
$
|
3.71
|
|
|
| Schedule of weighted-average assumptions used to estimate fair value of each stock option grant |
|
|
|
2014
|
|
2013
|
|
2012
|
|
|
Expected dividend yield (%)
|
|
0
|
|
0
|
|
0
|
|
|
Expected volatility (%)
|
|
38-39
|
|
53-55
|
|
56-58
|
|
|
Risk-free interest rate (%)
|
|
2.5- 2.7
|
|
1.9-2.9
|
|
1.7-3.5
|
|
|
Expected life (years)
|
|
5.5-6.5
|
|
5.5-6.5
|
|
5.5-6.5
|
|
|