Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v2.4.0.6
Stock-Based Compensation (Tables)
3 Months Ended
Jun. 30, 2012
Stock-Based Compensation  
Summary of stock-based compensation expense by statement of operations line item

 

 

 

 

Three
Months
Ended
June 30, 2012

 

Three
Months
Ended
June 30, 2011

 

Cost of goods sold

 

$

27

 

$

38

 

Research and development

 

75

 

81

 

Selling, general and administrative

 

236

 

301

 

Stock-based compensation expense

 

$

338

 

$

420

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

 

 

 

 

Three
Months
Ended
June 30, 2012

 

Three
Months
Ended
June 30, 2011

 

Risk-free interest rates

 

%

1.98

%

Expected lives (in years)

 

 

5.0

 

Dividend yield

 

%

%

Expected volatility

 

%

89.2

%

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, 2012

 

10,039,651

 

$

1.41

 

 

 

 

 

Granted

 

 

 

 

 

 

 

Exercised

 

 

 

 

 

 

 

Forfeited, cancelled or expired

 

(128,996

)

2.15

 

 

 

 

 

Options outstanding at June 30, 2012

 

9,910,655

 

$

1.40

 

5.55

 

$

463,617

 

 

 

 

 

 

 

 

 

 

 

Options fully vested at June 30, 2012 and those expected to vest beyond June 30, 2012

 

9,848,088

 

$

1.40

 

5.53

 

$

463,409

 

 

 

 

 

 

 

 

 

 

 

Options exercisable at June 30, 2012

 

8,486,443

 

$

1.42

 

5.14

 

$

417,179

Summary of restricted stock unit activity

 

 

 

 

Shares

 

Weighted
Average
Grant-Date Fair
Value

 

Unvested restricted stock units outstanding at March 31, 2012

 

1,143,262

 

$

1.20

 

 

 

 

 

 

 

Granted

 

38,000

 

0.95

 

Vested and issued

 

(247,245

)

1.00

 

Forfeited

 

(3,288

)

1.20

 

 

 

 

 

 

 

Unvested restricted stock units outstanding at June 30, 2012

 

930,729

 

$

1.16

 

Restricted stock units expected to vest beyond June 30, 2012

 

864,127

 

$

1.16