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Stock Options (Tables)
 12 Months Ended
Dec. 31, 2015
Stock Options  
Schedule of common shares reserved for future issuance

 

Common shares reserved for future issuance, including conversions of preferred stock, outstanding options and options available for future grant under all of the stock option plans totaled 4,262,776 shares at December 31, 2015 as follows, in thousands:

 

(In thousands)

 

Common Shares
Reserved for Future
Issuance

 

 

 

 

 

Preferred Stock

 
1,067 

 

2015 Plan

 
600 

 

2005 Plan

 
2,595 

 

 

 

 

 

Total

 
4,262 

 

 

 

 

 

 

Summary of stock option activity

 

 

 

2015

 

2014

 

 

 

Number of
Options (in
thousands)

 

Weighted
Average
Exercise
Price

 

Number of
Options (in
thousands)

 

Weighted
Average
Exercise
Price

 

 

 

 

 

 

 

 

 

 

 

Outstanding at beginning of year

 
3,076

 

$
0.86

 
3,045

 

$
0.74

 

Granted at price = market value

 
43

 
2.13

 
224

 
1.83

 

Granted at price > market value

 

—

 

—

 
75

 
1.98

 

Exercised

 
(150

)
0.44

 
(193

)
0.40

 

Forfeited

 
(10

)
1.36

 
(40

)
1.28

 

Expired

 
(361

)
2.77

 
(33

)
1.90

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Outstanding at end of year

 
2,598

 

$
0.63

 
3,076

 

$
0.86

 

 

 

 

 

 

 

 

 

 

 

 

 

Options exercisable at end of year

 
2,287

 

$
0.51

 
2,511

 

$
0.78

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Schedule of information related to stock options outstanding and exercisable, by exercise price range

 

 

 

Options Outstanding

 

Options Exercisable

 

Range of Exercise Prices

 

Outstanding at
12/31/15 (in
thousands)

 

Weighted
Average
Remaining
Contractual Life

 

Weighted
Average
Exercise
Price

 

Exercisable at
12/31/15 (in
thousands)

 

Weighted
Average
Exercise
Price

 

 

 

 

 

 

 

 

 

 

 

 

 

$ 0.20-$0.50

 
1,481 

 

3.10 years

 

$
0.34 

 
1,418 

 

$
0.33 

 

$ 0.51-$1.00

 
803 

 

3.72 years

 

$
0.68 

 
778 

 

$
0.69 

 

$ 1.01-$2.87

 
314 

 

6.99 years

 

$
1.91 

 
91 

 

$
1.87 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
2,598 

 

3.76 years

 

$
0.63 

 
2,287 

 

$
0.51 

 

 

Summary of stock option vesting information

 

 

 

Outstanding Stock
Options (Fully Vested
and Expected to Vest)*

 

Options that are
Exercisable

 

As of December 31, 2015

 

 

 

 

 

Number of outstanding options (in thousands)

 
2,598 

 
2,287 

 

Weighted average remaining contractual life

 
3.73 

 
3.36 

 

Weighted average exercise price per share

 

$
0.62 

 

$

.51

 

Intrinsic value (in thousands)

 

$
1,439 

 

$
1,393 

 

 

 

 

 

 

 

* Includes effects of expected forfeitures