Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v2.4.0.8
Stock-Based Compensation (Tables)
3 Months Ended
Jun. 30, 2013
Stock-Based Compensation  
Summary of stock-based compensation expense by statement of operations line item

The following table summarizes, by statement of operations line item, stock-based compensation expense (in thousands):

 

 

 

Three
Months
Ended
June 30, 2013

 

Three
Months
Ended
June 30, 2012

 

Cost of goods sold

 

$

13

 

$

27

 

Research and development

 

354

 

75

 

Selling, general and administrative

 

367

 

236

 

Stock-based compensation expense

 

$

734

 

$

338

 

Summary of stock option activity

 

 

 

 

Shares

 

Weighted
Average
Exercise Price

 

Weighted-
Average
Remaining
Contractual
Term
 (in years)

 

Aggregate
Intrinsic Value

 

Options outstanding at March 31, 2013

 

11,791,765

 

$

1.33

 

 

 

 

 

Granted

 

1,585,200

 

0.92

 

 

 

 

 

Exercised

 

 

 

 

 

 

 

Forfeited, cancelled or expired

 

(26,083

)

1.49

 

 

 

 

 

Options outstanding at June 30, 2013

 

13,350,882

 

$

1.28

 

5.87

 

$

2,055,658

 

 

 

 

 

 

 

 

 

 

 

Options fully vested at June 30, 2013 and those expected to vest beyond June 30, 2013

 

13,011,245

 

$

1.29

 

5.78

 

$

1,972,213

 

 

 

 

 

 

 

 

 

 

 

Options exercisable at June 30, 2013

 

9,605,095

 

$

1.38

 

4.60

 

$

1,250,937

 

Schedule of weighted-average assumptions used to calculate the estimated fair value of each stock option

 

 

 

 

Three
Months
Ended
June 30, 2013

 

Risk-free interest rates

 

0.9

%

Expected lives (in years)

 

5.7

 

Dividend yield

 

%

Expected volatility

 

77.3

%

Weighted average grant date fair value of options granted during the period

 

$

0.60

 

Summary of restricted stock unit activity

 

 

 

 

Shares

 

Weighted
Average
Grant-Date
Fair Value

 

Nonvested restricted stock units outstanding at March 31, 2013

 

1,467,096

 

$

1.10

 

 

 

 

 

 

 

Granted

 

530,060

 

0.95

 

Vested and issued

 

(292,914

)

1.13

 

Forfeited

 

(18,320

)

0.96

 

 

 

 

 

 

 

Nonvested restricted stock units outstanding at June 30, 2013

 

1,685,922

 

$

1.05

 

Restricted stock units expected to vest beyond June 30, 2013

 

1,515,907

 

$

1.05