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Stock Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2015
Stock Options  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Summary of options granted, exercised, expired and forfeited
A summary of stock options granted, exercised, expired and forfeited under our plans and options outstanding as of, and changes made during, the years ended December 31, 2015 and 2014 (options in thousands):
 
Outstanding
 
Exercisable
 
Number of Options
 
Weighted
Average
Exercise
Price
 
Number of Options
 
Weighted
Average
Exercise
Price
Options outstanding, December 31, 2013
1,792

 
$
2.21

 
411

 
$
2.71

Granted
—

 
—

 
 
 
 
Exercised
(50
)
 
0.90

 
 
 
 
Expired
(50
)
 
5.29

 
 
 
 
Forfeited
(342
)
 
2.70

 
 
 
 
Options outstanding, December 31, 2014
1,350

 
$
2.02

 
729

 
$
2.05

Granted
—

 
—

 
 
 
 
Exercised
—

 
—

 
 
 
 
Expired
(70
)
 
2.11

 
 
 
 
Forfeited
(11
)
 
5.43

 
 
 
 
Options outstanding, December 31, 2015
1,269

 
$
1.98

 
960

 
$
1.99
Shares authorized under stock option plans, by exercise price range
Additional information as of December 31, 2015 is as follows (options in thousands):
 
Outstanding
 
Exercisable
Range of price
Number
of Options
 
Weighted
Average
Remaining
Contractual
Life (In Years)
 
Weighted
Average
Exercise
Price
 
Number
of Options
 
Weighted
Average
Exercise
Price
$0.90 – $1.51
166

 
6.87
 
$
1.29

 
118

 
$
1.29

$1.52 – $1.96
40

 
2.03
 
1.67

 
40

 
1.67

$1.98 – $2.05
886

 
6.99
 
1.98

 
649

 
1.98

$2.12 – $2.60
75

 
4.95
 
2.28

 
75

 
2.28

$2.68 – $7.68
102

 
6.15
 
3.02

 
78

 
3.02

 
1,269

 
6.63
 
$
1.98

 
960

 
$
1.99
Schedule of nonvested options activity
A summary of unvested options as of, and changes during the years ended December 31, 2015 and 2014, is presented below (options in thousands):
 
Options
 
Weighted Average
Grant Date
Fair Value
Unvested options outstanding, December 31, 2013
1,381

 
$
1.57

Granted
—

 
—

Vested
(597
)
 
1.46

Forfeited
(163
)
 
2.20

Unvested options outstanding, December 31, 2014
621

 
$
1.51

Granted
—

 
—

Vested
(302
)
 
1.51

Forfeited
(10
)
 
2.04

Unvested options outstanding, December 31, 2015
309

 
$
1.49
Stock option compensation expense is allocated
Stock option compensation expense relating to stock option awards is allocated as follows (in thousands):
 
Year Ended December 31,
 
2015
 
2014
General and administrative
$
386

 
$
356

 
$
386

 
$
356
Restricted Stock  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of nonvested options activity
A summary of restricted stock granted, vested, forfeited and unvested outstanding as of, and changes made during, the years ended December 31, 2015 and 2014, is presented below (shares in thousands):
 
Restricted Shares
 
Weighted Average
Grant Price
Unvested restricted shares outstanding, December 31, 2013
465

 
$
2.03

Granted
522

 
1.53

Vested
(122
)
 
1.54

Forfeited
(224
)
 
2.32

Unvested restricted shares outstanding, December 31, 2014
641

 
$
1.61

Granted
—

 
—

Vested
(241
)
 
1.62

Forfeited
(139
)
 
1.66

Unvested restricted shares outstanding, December 31, 2015
261

 
$
1.58
Stock option compensation expense is allocated
Stock compensation expense relating to restricted stock awards are allocated as follows (in thousands):
 
Year Ended December 31,
 
2015
 
2014
Cost of revenue
$
(17
)
 
$
36

Research and development
(1
)
 
12

Sales and marketing
(40
)
 
29

General and administrative
80

 
167

 
$
22

 
$
244
Restricted Stock Units (RSUs)  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of nonvested options activity
A summary of restricted stock units granted, vested, forfeited and unvested outstanding as of, and changes made during, the years ended December 31, 2015 and 2014, is presented below (shares in thousands):
 
Restricted Shares
 
Weighted Average
Grant Price
Unvested restricted stock units outstanding, December 31, 2014
—

 
$
—

Granted
2,969

 
1.02

Vested
—

 
—

Forfeited
(805
)
 
1.04

Unvested restricted stock units outstanding, December 31, 2015
2,164

 
1.02
Stock option compensation expense is allocated
Stock compensation expense relating to restricted stock units are allocated as follows (in thousands):
 
Year Ended December 31,
 
2015
 
2014
Cost of revenue
11

 
—

Research and development
13

 
—

Sales and marketing
6

 
—

General and administrative
375

 
—

 
$
405

 
$
—