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Share-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2012
Share-Based Compensation [Abstract]  
Share-based Compensation Expense
The following table summarizes share-based compensation expense related to share-based awards recognized in 2012, 2011 and 2010:
 
 
 
Years Ended December 31,
 
 
2012
 
 
2011
 
 
2010
 
  Share-based compensation expense included in the statement of operations:
 
 
 
 
 
 
 
 
 
 
 
 
  Professional services
 
$
90
 
 
$
45
 
 
$
69
 
  Maintenance
 
 
40
 
 
 
186
 
 
 
96
 
  Sales and marketing
 
 
1,805
 
 
 
1,460
 
 
 
442
 
  Product research and development
 
 
451
 
 
 
36
 
 
 
231
 
  General and administrative
 
 
3,400
 
 
 
2,181
 
 
 
1,785
 
Share-based compensation expense, net of tax
 
$
5,786
 
 
$
3,908
 
 
$
2,623
 
 
Assumptions Used to Estimate Fair Value of Stock Option Awards
 
 
 Years Ended December 31,
 
 
2012
 
 
2011
 
 
2010
 
Dividend yield
 
 
0
%
 
 
0
%
 
 
0
%
Expected volatility
 
 
65
%
 
 
100
%
 
 
100
%
Risk–free interest rate
 
 
0.3% - 0.8%
 
 
0.6% - 1.8%
 
 
0.8% - 2.1%
Expected term (in years)
 
 
3.0
 
 
 
4.0
 
 
 
4.0
 
Weighted–average grant date fair value
 
$
3.51
 
 
$
3.37
 
 
$
1.97
 
 
Stock Option Activity
Stock option activity for the year ended December 31, 2012 was as follows:
 
 
Number
 
 
Weighted-
 
 
Weighted-Average Remaining
 
 
Aggregate
 
 
of
 
 
Average
 
 
Contractual Term
 
 
Intrinsic
 
 
Options
 
 
Exercise Price
 
 
(In Years)
 
 
Value
 
Options outstanding, December 31, 2010
 
 
7,959,110
 
 
$
2.94
 
 
 
5.5
 
 
$
10,720
 
Options granted
 
 
2,134,786
 
 
 
4.96
 
 
 
 
 
 
 
 
 
Options exercised
 
 
(295,500
)
 
 
2.95
 
 
 
 
 
 
 
 
 
Options forfeited and expired
 
 
(607,362
)
 
 
6.91
 
 
 
 
 
 
 
 
 
Options outstanding, December 31, 2011
 
 
9,191,034
 
 
$
3.14
 
 
 
5.2
 
 
$
17,860
 
Options granted
 
 
4,960,038
 
 
 
5.03
 
 
 
 
 
 
 
 
 
Options exercised
 
 
(695,307
)
 
 
3.62
 
 
 
 
 
 
 
 
 
Options forfeited and expired
 
 
(1,283,313
)
 
 
5.60
 
 
 
 
 
 
 
 
 
Options outstanding, December 31, 2012
 
 
12,172,452
 
 
$
3.63
 
 
 
4.1
 
 
$
3,767
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Options exercisable, December 31, 2012
 
 
5,545,382
 
 
$
2.50
 
 
 
3.4
 
 
$
3,765
 
Options exercisable, December 31, 2011
 
 
4,215,920
 
 
$
2.78
 
 
 
4.6
 
 
$
10,381
 
Options exercisable, December 31, 2010
 
 
2,795,937
 
 
$
3.75
 
 
 
4.8
 
 
$
4,226
 
 
Fair Value of Stock Awards
Other information pertaining to option activity was as follows:
 
 
 
 Years Ended December 31,
 
 
2012
 
 
2011
 
 
2010
 
Total fair value of stock options vested
 
$
8,380
 
 
$
6,719
 
 
$
4,585
 
Total fair value of restricted stock awards vested
 
 
1,591
 
 
 
-
 
 
 
613
 
 
Stock Options Outstanding by Exercise Price Range
The following table summarizes information about stock options outstanding at December 31, 2012:
 
Options Outstanding
 
 
Options Exercisable
 
 
 
 
 
 
 
Weighted–
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
average
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
remaining
 
 
Weighted–
 
 
 
 
 
Weighted–
 
 
 
 
Number of
 
 
contractual life
 
 
average
 
 
Number of
 
 
average
 
Range of exercise prices
 
 
shares
 
 
in years
 
 
exercise price
 
 
shares
 
 
exercise price
 
$
0.00 - $2.48
 
 
 
2,670,000
 
 
 
3.2
 
 
$
1.06
 
 
 
2,657,500
 
 
$
0.64
 
$
2.48 - $4.97
 
 
 
5,990,240
 
 
 
4.2
 
 
 
3.24
 
 
 
2,359,927
 
 
 
2.11
 
$
4.97 - $7.46
 
 
 
3,449,164
 
 
 
4.8
 
 
 
6.06
 
 
 
464,907
 
 
 
3.16
 
$
7.46 - $9.95
 
 
 
10,000
 
 
 
0.4
 
 
 
9.78
 
 
 
10,000
 
 
 
4.03
 
$
9.95 - $12.44
 
 
 
1,694
 
 
 
4.3
 
 
 
10.81
 
 
 
1,694
 
 
 
3.29
 
$
14.92 - $17.41
 
 
 
21,354
 
 
 
1.3
 
 
 
16.22
 
 
 
21,354
 
 
 
6.17
 
$
17.41 - $19.90
 
 
 
30,000
 
 
 
2.4
 
 
 
17.50
 
 
 
30,000
 
 
 
1.80
 
 
 
 
 
 
12,172,452
 
 
 
4.1
 
 
$
3.63
 
 
 
5,545,382
 
 
$
1.51