Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Tables)

v2.4.0.6
Stockholders' Equity (Tables)
12 Months Ended
Mar. 31, 2013
Stockholders' Equity  
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 for the years ended March 31, 2013, 2012 and 2011 (in thousands):

 
  Fiscal Year Ended March 31,  
 
  2013   2012   2011  

Cost of goods sold

  $ 92   $ 136   $ 209  

Research and development

    319     324     211  

Selling, general and administrative

    1,190     1,192     1,998  
               

Stock-based compensation expense

  $ 1,601   $ 1,652   $ 2,418  
               
Schedule of weighted-average assumptions used to calculate the estimated fair value of each stock option

 

 

 
  Shares   Weighted-
Average
Exercise Price
  Weighted-
Average
Remaining
Contractual
Term
  Aggregate
Intrinsic
Value
 
 
   
   
  (in years)
   
 

Options outstanding at March 31, 2012

    10,039,651   $ 1.41              

Granted

    1,958,330   $ 1.01              

Exercised

                     

Forfeited, cancelled or expired

    (206,216 ) $ 2.16              
                       

Options outstanding at March 31, 2013

    11,791,765   $ 1.33     5.6   $ 157,050  

Options fully vested at March 31, 2013 and those expected to vest beyond March 31, 2013

    11,560,603   $ 1.34     5.5   $ 157,048  

Options exercisable at March 31, 2013

    9,024,229   $ 1.39     4.6   $ 155,696  
                   
Summary of stock option activity

 

 

 
  Fiscal Year Ended
March 31,
 
 
  2013   2012   2011  

Risk-free interest rates

    0.8 %   1.9 %   3.1 %

Expected lives (in years)

    5.7     5.0     5.0  

Dividend yield

    %   %   %

Expected volatility

    79.8 %   89.0 %   97.9 %

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

  $ 0.67   $ 1.19   $ 1.02  
Summary of restricted stock unit activity

 

 

Restricted Stock Units
  Shares   Weighted
Average Grant
Date Fair
Value
 

Nonvested restricted stock units outstanding at March 31, 2012

    1,143,262   $ 1.20  

Granted

    919,414   $ 1.00  

Vested and issued

    (469,911 ) $ 1.15  

Forfeited

    (125,669 ) $ 1.05  
             

Nonvested restricted stock units outstanding at March 31, 2013

    1,467,096   $ 1.10  
           

Restricted stock units expected to vest beyond March 31, 2013

    1,358,386   $ 1.10  
           
Schedule of warrant activity

 

 

 
  March
2012
Shares
  September
2009
Shares
  May
2009
Shares
  September
2008
Shares
  January
2007
Shares
 

Balance, March 31, 2010

        5,780,347     3,612,717     7,686,795     17,003,898  

Issuance of warrants

                48,042      

Warrants exercised

            (3,612,717 )   (392,190 )   (8,468,324 )
                       

Balance, March 31, 2011

        5,780,347         7,342,647     8,535,574  

Issuance of warrants

    22,550,000                  

Warrants exercised

        (5,780,347 )       (3,579,239 )   (7,298,234 )

Anti-dilution provision

                146,626      

Warrants expired

                    (1,237,340 )
                       

Balance, March 31, 2012

    22,550,000             3,910,034      

Anti-dilution provision

                51,437        
                       

Balance, March 31, 2013

    22,550,000             3,961,471