XML 16 R39.htm IDEA: XBRL DOCUMENT v2.4.0.8
Stock-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of restricted stock activity
The following table summarizes the restricted stock activity under the Company's equity incentive plans :

 
Number
of
Shares
 
Weighted
Average
Fair Value
Per Share
Nonvested at January 1, 2011
128,232

 
$
1.65

Granted
400,417

 
$
6.00

Vested
(63,299
)
 
$
1.99

Forfeited/repurchased shares
(12,783
)
 
$
15.24

Nonvested at December 31, 2011
452,567

 
$
14.72

Granted
36,640

 
$
6.55

Vested
(171,986
)
 
$
8.14

Forfeited/repurchased shares
—

 
$
—

Nonvested at December 31, 2012
317,221

 
$
6.46

Granted
24,824

 
$
11.28

Vested
(124,998
)
 
$
7.17

Forfeited/repurchased shares
—

 
$
—

Nonvested at December 31, 2013
217,047

 
$
6.60
Schedule of stock options activity
The following table summarizes the stock option activity under the Company's equity incentive plans:

 
Number
of
Shares
 
Weighted
Average
Exercise
Price
Per Share
 
Weighted
Average
Contractual
Life
(Years)
 
Aggregate
Intrinsic
Value
Outstanding at January 1, 2011
1,308,998

 
$
12.30

 
 
 
 

Granted
953,800

 
$
6.02

 
 
 
 

Exercised
(32,124
)
 
$
5.78

 
 
 
 

Forfeited
(101,768
)
 
$
15.68

 
 
 
 

Outstanding at December 31, 2011
2,128,906

 
$
9.42

 
 
 
 

Granted
262,051

 
$
6.56

 
 
 
 

Exercised
(56,658
)
 
$
5.27

 
 
 
 

Forfeited
(50,457
)
 
$
7.97

 
 
 
 

Outstanding at December 31, 2012
2,283,842

 
$
9.23

 
 
 
 

Granted
35,081

 
$
9.48

 
 
 
 

Exercised
(155,731
)
 
$
5.51

 
 
 
 

Forfeited
(90,433
)
 
$
9.73

 
 
 
 

Outstanding at December 31, 2013
2,072,759

 
$
9.49

 
 
 
 

 
 
 
 
 
 
 
 
Vested at December 31, 2013 and expected to vest
2,045,835

 
$
10.89

 
8.04 years
 
$
947

Exercisable at December 31, 2013
1,438,240

 
$
10.89

 
6.52 years
 
$
373
Schedule of stock option valuation assumptions
The Company calculates the fair value of each option on the date of grant using the Black-Scholes pricing model and the following weighted-average assumptions in each year:
 
2013
 
2012
 
2011
Weighted average grant-date fair value of options granted
$
4.11

 
$
4.08

 
$
4.03

Risk-free interest rate
1
%
 
1.42
%
 
1.5
%
Expected volatility
62.4
%
 
68.5
%
 
68.4
%
Expected term of options (in years)
3.2

 
6.2

 
7.5

Dividend yield
—
%
 
—
%
 
—
%
Schedule of intrinsic value of options exercised and fair value of shares vested
 
2013
 
2012
 
2011
Total intrinsic value of options exercised
$
804

 
$
130

 
$
143

Total fair value of shares vested
$
1,457

 
$
1,997

 
$
1,383