Quarterly report pursuant to sections 13 or 15(d)

Condensed Consolidated Statement Of Changes In Shareholder's Equity

v2.4.0.6
Condensed Consolidated Statement Of Changes In Shareholder's Equity (USD $)
In Thousands, except Share data
Total
Advisory Board And Consultants
Employees
Common Stock
Additional Paid-In Capital
Additional Paid-In Capital
Advisory Board And Consultants
Additional Paid-In Capital
Employees
Accumulated Deficit
Beginning Balance at Dec. 31, 2011 $ 63,443     $ 18 $ 204,055     $ (140,630)
Beginning Balance (in shares) at Dec. 31, 2011       183,253,068        
Issuance of common stock under employee stock purchase plan (in shares)       70,147        
Issuance of common stock under employee stock purchase plan 100       100      
Exercise of stock options, net of 187,542 shares tendered in payment of exercise price (in shares) 811,500     623,958        
Exercise of stock options, net of 187,542 shares tendered in payment of exercise price 284       284      
Exercise of warrants (in shares)       358,500        
Exercise of warrants 338       338      
Stock-based compensation   940 2,705     940 2,705  
Restricted stock forfeitures (in shares)       (12,500)        
Restricted stock forfeitures                    
Repurchase and retirement of common stock (in shares)       (711,537)        
Repurchase and retirement of common stock (1,146)       (1,146)      
Net loss (13,999)             (13,999)
Ending Balance at Sep. 30, 2012 $ 52,665     $ 18 $ 207,276     $ (154,629)
Ending Balance (in shares) at Sep. 30, 2012       183,581,636