XML 24 R55.htm IDEA: XBRL DOCUMENT v2.4.0.6
Stockholders' Equity - Additional Information (Detail) (USD $)
In Millions, except Share data, unless otherwise specified
 1 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended 3 Months Ended 1 Months Ended 1 Months Ended 1 Months Ended 12 Months Ended 1 Months Ended 1 Months Ended
Nov. 04, 2008
Dec. 31, 2012
CompensationPlan
Dec. 31, 2011
Dec. 31, 2010
Mar. 31, 2010
Dec. 31, 2012
Additional
Dec. 31, 2012
Equity Awards
Dec. 31, 2012
Time Based Vesting Schedule
Dec. 31, 2012
Common Stock
Dec. 31, 2012
Senior Management Group
Dec. 31, 2012
All Other Employees
Nov. 04, 2008
Minimum
Dec. 31, 2012
Warrant
Dec. 31, 2011
Warrant
Dec. 31, 2012
Warrant
Maximum
Dec. 31, 2012
Warrant
Minimum
Dec. 31, 2012
Restricted Stock Unit
Dec. 31, 2011
Restricted Stock Unit
Dec. 31, 2010
Restricted Stock Unit
Mar. 31, 2007
1997 Plan
Dec. 31, 2012
1997 Plan
Jan. 31, 1997
1997 Plan
Maximum
Jan. 31, 1997
1997 Plan
Non Employee Stock Options
Maximum
Jan. 31, 1997
1997 Plan
Stock Options
Jan. 31, 1997
1997 Plan
Stock Options
Employee Stock Option
Jan. 31, 1997
1997 Plan
ISOs
Jan. 31, 1997
1997 Plan
ISOs
10% stockholder
Dec. 31, 2012
Inducement Plan
Jan. 31, 2010
Inducement Plan
Maximum
Jan. 31, 2011
2011 Plan
Dec. 31, 2012
2011 Plan
Jan. 31, 2011
2011 Plan
Maximum
Dec. 31, 2012
Employee Stock Purchase Plan
Jan. 31, 2004
Employee Stock Purchase Plan
The commencement of the offer period (generally, the fifteenth day in February or August)
Jan. 31, 2004
Employee Stock Purchase Plan
The exercise date, which is the last day of a purchase period (generally, the fourteenth day in February or August)
Jan. 31, 2004
2004 Plan
Dec. 31, 2012
2004 Plan
Jan. 31, 2004
2004 Plan
Maximum
Jan. 31, 2004
2004 Plan
Stock possessing more than 10% of the voting power of all classes of the Company's stock or the stock of any parent or subsidiary of the Company
Minimum
Jan. 31, 2004
2004 Plan
Other Participants
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                                                
Number of share-based compensation plans   4                                                                            
Issuance of common stock shares                                           3,443,630             1,500,000     15,000,000           3,500,000    
Expiration period     10 years                                     10 years               10 years                 5 years 10 years
Option exercise price as percentage of fair value of shares on day of grant                                               85.00%   100.00% 110.00%                 100.00%     110.00%  
Options vesting period     4 years                                       4 years   4 years                              
Options previously available for grant Expired                                       273,188                                        
Number of shares of Common Stock outstanding   13,806,000 10,987,000                                   471,788             779,000     8,257,406           4,298,027      
Total intrinsic value of options exercised   $ 2.7 $ 0.1 $ 0.1                                                                        
Total fair Value of Stock Options Vested   9.6 2.8   4.1                                                                      
Stock Based Compensation expense related to restricted stock                                 0.2                                              
Aggregate Intrinsic Value                                 5.0                                              
Grant date fair value of Restricted Stock                                 $ 4.23 $ 0.00 $ 1.98                                          
Total fair value of restricted stock units                                 0.2 0.8 0                                          
Purchase price per share as percentage of fair market value of common stock                                                                   85.00% 85.00%          
Shares reserved and approved for issuance                                                                 996,000              
Shares issued to employees                                                                 698,724              
Shares remaining available for future purchases                                                                 297,276              
Options and restricted stock units outstanding   2,617,966                                                                            
Expected dividend yield   0.00%                                                                            
Expected life (in years)                   6 years 5 years 6 months                                                          
Stock based compensation           1.5                                                                    
Total unrecognized compensation cost related to non-vested equity awards   $ 0.3         $ 6.3 $ 14.3 $ 0.3                                                              
Total unrecognized compensation cost, weighted-average vesting period               2 years 3 months 18 days 1 year                                                              
Warrants to purchase common stock   10,913,873                     12,700,000                                                      
Warrants exercised                         13,000,000 4,500,000                                                    
Warrants exercisable per share                             $ 5.65 $ 1.50                                                
Common stock par value per share $ 0.001 $ 0.001 $ 0.001                                                                          
Dividends payable date Nov. 17, 2008                                                                              
Preferred shares par value per share $ 0.001 $ 0.001 $ 0.001                                                                          
Preferred shares price 6.00                                                                              
Percentage of common shares outstanding                       20.00%                                                        
Percentage of assets                       50.00%                                                        
Rights expiration date Nov. 17, 2018